ok let me ask again with more info, I have been with my GF for over 2 years and we have allot of sex witch is great but lately when i orgasam it starts out good but then nothing,i still find my GF very attractive and sexy, i still enjoy the sex but its starting to get a bit annoying, when i masturbate i have a full orgasam, does anyone know why this mite be happening? and i don't need viagra