Hi I Am A 51 Year Old Male. When I

Hi I am a 51 year old male. When I am having sex with my wife I start to get real hot sweating and tired my wife says I get real pale . After about fifteen minutes I have to stop because I am exhausted l have had 3 operations in the last five years caroded artery double bilateral hernias and stomach surgery . I am 6 ft 6 inches and weigh 265 lbs . Don't drink or smoke or take drugs . Only thing I take everyday is a baby aspirin and vitamin D . Doctors after all my surgeries said that I was very healthy