Three times a day isn't THAT huge of a sex drive.
He wakes up in the morning and wants a little morning sex. He doesn't have to 'finish' and I never finish in the morning because I have to pee and my breath stinks and I'm not that into it in the morning but we start it anyway.
And then we meet at home for lunch and watch a little porn and he gets his. Then that night after the kids are in bed and everything is taken care of in the house I get mine. I LOVE it that way because when I'm tired at the end of the day I don't have the energy to get him his and I want to just go to sleep afterwards. But that means he wakes up horny the next day and we have morning sex again.
Of course there's a certain week that we cut way back or do other things. And in the summer time we have less sex cuz the kids are home at lunch time and they never seem to want to go to bed either plus theirs illnesses and extra work loads sometimes that cut in to the sexing time but it really isn't that hard to have sex 3 times a day. We've been married for 20 yrs and the only time 3x's a day is exessive to me is when he wants us both to 'finish' each time. When he gets in one of those moods I run. But he always seems to catch me :~P