Are these sentences All OK?
He's the best all-time wrestler ever.
If we were to break up, I'd always love you.
If you wait for the perfect girl/boy, you'll wait a long time.

Question

Answer

He is the best wrestler of all time . He is the best wrestler ever of all time
If we were to break up, I will still love you.
If you want to wait for the perfect girl/boy( to come along) , then you'll have to wait a long time.

Answer

They sound ok to me except maybe the first one.
"He is the best all-time wrestler ever"
Maybe it would be better to say "He is the best wrestler of all time"

Answer

These all look great. Good job!