"Follow me and I'll follow back" = "I have nothing valuable to contribute, please take pity on me and upvote my shitty content so I don't have to make an effort."
Nope. Ain't gonna happen. You're much more likely to get a follow from me if you don't ask for one. Asking reduces your odds to zero. I'm even more likely to follow if you make a comment saying my post sucks.