Please deletet this question , I want to rephrase it.

It sounds like Premature Ejaculation:

Premature ejaculation - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Premature_ejaculation)

Check out this thread. (https://www.askmehelpdesk.com/adult-sexuality/everything-terriffic-then-its-over-all-sudden-65013.html#post295225)

I would suggest that when he has his orgasm, do not let that be the end of the night or whatever time it is. Several things you can try, keep him in you. Continue to thrust just not as hard, talk to him, the mind is the biggest sex organ. If after a few minutes he does not start to regain his erection then try this. Use you hand to fondle him use your imagination and do anything to him that you feel is proper in your mind. Another thing that I don't see how a guy can hold off from getting an erection and that is if the female gives him oral and she does it like she adores his manhood. Keep working with different things, and just remember soon or later he will get over it and come around,, no pun intended.