How to make him happy again please help?

okay so im 17 and there on wed i went out and i didnt tell my bf that i had gone (dont know why) and he had rushed home from work and all to go out and i went with out him....okay i no it was bad we all make mmistakes anyway he was saying to me there that he feels that its always him being like do ya want to meet up and hel ring to see how i am i dont do it at all etc etc...it is true i guess i just used to it now.... anyway im off to england soon and he said to me there that hes afraid i wont ring at all over there i reured him but at the same time i want to do something nice tomorrow hes really depressed and things so what would be a nice thing to do...............