Definition of Playboy ? Flower Hearted?

Well...ONE of my so-called-friend told me that loving a girl for 1 year is not long enough.If i change the girl i like in 1 year meaning that im a playboy...worthless boy.Well the girl that i loved before is going to celebrate her birthday, i just wanna buy one present for her.Then i got accused like a playboy flowerhearted.This is seriously gay