I don't need to
What your friend says when they don't want a present but you're so nice, you're gonna get them one anyway, even if it's just a paper bag full of expired candy.
I don't need a present, but I'm gonna get you one anyway because I'm a nice person.
I don't need a present, but I'm gonna get you one anyway because I'm too generous.
I don't need a present, but I'm gonna get you one anyway because I'm too broke to be proud.