Most Helpful Guy
for the same thing other parts of the human species do, because you either came on too strong or you didn't fit the bill of what they want. People are shallow and this is not all men just like it is not all women.
Most Helpful Girl
It's the same for both genders, just that in reality, guys are proven to be more insensitive. But when it comes to breaking up, both genders are equally harsh, trust me.
He cheated, he's not into you anymore. Why are you still caring instead of moving on and finding some way better guy out there? You deserve better. If you are gonna stay with him now, you'll never be his priority. He's not gonna be the type to realize his mistake and run back crying and apologizing to you.