Been happily married with a daughter for 20years ,we love each other dearly,yet there is some sexual issues ..... I can last for hours in bed giving my partner multiple orgasms and only stop when Iam pushed away because she s tired or sore,sometimes she even bleeds , yet I can only (sort of orgasm) after I make sure she is completely worn out ,only then it s my turn ,yet I never fully enjoy my (orgasm) . Iam a bit large , 10inches and thick , due to the size we tried diffrent positions and intensities but always end up unfulfilled , yet extremely happy she is completely satisfied and usually she is shaking like a leaf for a few minutes after every orgasm she has. Please advise