Have my squats been paying off? [oc]

I think my squats have been paying off.

Squats are paying off

Doing squats is paying off !

I think the squats are finally paying off

These squats seem to be paying off (f)

All the squats in the gym have been paying off

Squats are paying off

These squats are paying off dividends

are my squats paying off?

Squats are paying off

Are my squats paying off?