songs about a guy you used to love and miss the times and you see him with new girls and stuff?

okay im into like rap not like hard core rap but like drake or lil
waye and idk people like that but other stuff is fine too.... im not
picky. but me and this guy who was older than me liked eachother for a
year but than he just left and now he sees other girls and it kills
me. ive tried liking other guys but there not the same.
if you guys know any songs that kind of describe this please post
them! as many as you want('
thank yoouuu(:
i want songs that discribe