Keagle exercises help with large penis?!

Illaquana
My fiancé penis is just too fucking big !! I have to prep myself ; ur going to take it like a G. And when it all goes down I'm tapping out like a bitch lol🤣 I even try breathing exercise and try to tell him take his time, he's always caught up in the moment like he never had good pussy before and I'm like dude ur shit isn't little act like u know what u got please and thank u!! But does Keagle exercises help u ladies in a sense to deal with very large penis?