how old are you?
it sounds like you are suffering from premature ejaculation
there are some exercises you can do to help you last longer during sex
are you able to masturbate on your own?
you should read this.
there is a pause, squeeze technique which can help.
the second part of your question is about recovery time.
different people can have different recovery time periods.
as we all get older, our recovery times can get longer.
lack of exercise, obesity, poor diet, lack of sleep, dehydration, not drinking enough water can all affect recovery time
let me know if you have questions.