Research has shown that 20 minutes of foreplay is required if a woman wants to orgasm from sexual intercourse aka penetration. Anything less and he might as well not have bothered. If you want to enjoy sex - then take the time to do so. Go find and read The Program - that is what you two should be doing - not this lame sort of rushing to penetrate and everyone going home unhappy.
www.condomania.com - makes custom fitted condoms and Trojans make Magnums. He can find condoms to fit- there is no excuse.