Why do hurt inside i don't know why?

well my friend moved and i really miss him im a guy im not gay and i think i took him for grated i don't think i ever called him and i just think he would call me and i would say he could come over and stay the night but i really don't think i ever called him to ask to hang out but he called all the time and fore his moving a way gift i gave him an ipod shuffle 5g. do you think i was a good friend?