Why sex is so overrated ??

Because it doesn't require love, or an education, it just is. That doesn't mean it can't be good, but when the ol' body runs out of steam, that's when you know who really loves who.

Cause I ain't getting any

Sounds like you are doing it wrong.

Clearly the only answers can be:
A) you’re doing it wrong.
B) you’re not doing it at all.

Because people are shallow.