Hey! Guys can be really tricky sometimes! First off, you said you've only known this guy for about two weeks. Do you think that he may be afraid of rushing into things right now? A new relationship can scare many people - both boys and girls. If you guys have only known each other for about two weeks, then why don't you try and take things slow at first instead of rushing into things. Trust me, if you try and rush into things too fast it could end up ruining any potential of the relationship. You first have to make sure both people in the relationship are comfortable with the relationship.
Therefore, I suggest you talk to him about the situation. Ask him if he is looking for a relationship or if he's just looking to hang out with someone he really likes. I know he said that he liked you but that doesn't always mean that he wants you to be his girlfriend. People can be extremely misleading sometimes and you just have to learn to expect it. I, personally, don't think the fact that he's a year older than you are has anything to do with it because one year is nothing at all. However, I think you should talk to him about that. Is he okay with the fact that he's a year older than you? Is he comfortable calling you his girlfriend, despite the age difference? I know it sounds silly but some people really feel uncomfortable with these kinds of situations and therefore that reflects their behaviour in the relationship.
It seems like you text him a lot. Talk to him about it and see if it bothers him. Tell him to be honest with you because if he's not, then there really is no point of talking about it is there. If he doesn't really like texting, then you should respect that. I'm not saying that you shouldn't text him - all I'm saying is that maybe you shouldn't text him that often. But, he may love the fact that he receives texts from you often - I really can't tell you how he feels. This is why you should talk to him about it and see how he feels.
I know how you feel when you say that you really like him and you don't want to lose him. I know that many teenagers fall head over heals for other teenagers and just want to be with them. But, you have to look at it logically - you've really only known him for two weeks. It's really hard to tell how a person is in that short amount of time. Don't get me wrong, there is absolutely nothing wrong with you liking this guy a lot, but all I'm saying is to be careful that you don't come on to him too quickly because that could ruin any potential relationship you guys could have had. I know that if you keep talking to him you know that he is thinking of you. I know this can be a really great reassurance method but sometimes it's not the most effective. Like you said, he could be getting really annoyed at the fact that you continously talk to him and stuff. But, like I said before, I think that you should talk to him about it first and take his thoughts and opinions into mind before you do anything.
You say that it seems like you're always the one to ask him to hang out - and there really is nothing wrong with that considering he agrees to go out with you most of the time. It is extremely evident that you must like this guy a lot and therefore want to spend as much time as you can with him. Does it bother you that he doesn't usually ask you to hang out? If so, why do you think that is? Is he just really busy? Or do you think that he just doesn't want to initiate it? Remember, guys get scared too. Maybe he is afraid or too shy to ask you out. You really never know. Like I said before, maybe he just doesn't want a relationship right now and just wants to hang out as friends. You won't know the answer to any of these questions until you ask him. Take him aside and talk to him seriously about what is on your mind. Remember to be open and honest with him and let him know exactly what's going on and tell him exactly how you feel.
Sometimes people do get busy and you have to be understanding of that. It's a very common mistake to text someone, especially when you are really busy and have a lot going on. It's extremely easy for your mind to get distracted and forget about certain things. But, the fact that he remembered the day after and apologized for forgetting to text you should mean something. Obviously he's recognized the fact that he's made a mistake and has apologized for his actions. It was clearly a non-intentional mistake and it really could happen to anyone. The important thing is that he apologized for it and accepted responsibility.
If you feel that he isn't into you as much lately, then I can only suggest you talk to him about it. Tell him how you feel and what's on your mind. Remember to listen closely to what he has to say. Try not to force him or try and rush into things too quickly - I told you what can happen there. Move at a speed in which you both are comfortable with - that's the only way to make a relationship work.
As for the dinner thing, if you really want to go with him then why don't you ask him! Just ensure him that it would not be a date and that you were going just as friends. Better yet, all you have to do is explain the situation to him and I'm sure he'll understand. If, however, he doesn't want to go for some reason - don't take it personally. Maybe he already has plans or has to stay home for some reason. Whatever the reason is - don't take it personally and don't feel bad because of it.
Like I said, in regards to where your relationship is going, the best advice that I can give you is to be open and honest about your thoughts and feelings. Tell him exactly what you told me and I'm sure you'll be fine. Remember, I can't stress it enough - Don't rush into anything.
I hope I've helped. I noticed that you were requiring this answer a couple of days ago (about the dinner thing), which is why I kept my response in regards to that to a minimal and instead focused more on the general future of your relationship. I hoped dinner went well!
If you ever need anything at all, feel free to message me any time. My inbox is always open!
Good luck!
~ Sabrina