I realize that every girl is different, blahblahblah... but what's an "average" as far as how often you have sex in a relationship?

The girl I'm with wants it 1-2 times daily... (nympho much? maybe?) I don't think I can keep up. Like, literally, I can't keep it up because I'm not interested in having that much sex. I know there are other ways to get her off, but she's not nearly as interested... I'm not the 18 year old I used to be........

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"A man is but the product of his thoughts, what he thinks, he becomes." - Mohandas Gandhi

Sorry dude, I have no advice for you. I just wanted to say that I wish I had your problem...

Okay I have a little bit of advice, I haven't been in your exact situation but it's something I'm thinking about actually - how to be able to "do it" as often as you want.

Firstly, does she mind so much if you orgasm? I think that's the hardest part - each successive time is twice as difficult for me unless circumstances are exceptional.

If not, then are you able to keep the erection? I find I can manage for a while - provided I'm keeping fit and not under huge amounts of tiredness from several nights of very little sleep. Once upon a time it used to be a problem for me because I was nervous, but then I set to work trying to fix this for myself, and basically conditioned myself by masturbating in less than perfectly comfortable circumstances - eg, sitting upright in a chair rather than laying down in a comfy bed, and doing it EVERY EVENING without exception, whether I was in the mood or not, just like exercise.

Of course if I'm flat out exhausted, that's a problem too, but as far as I know, most of the time girls like it slow, and they only like it hard and fast once in a while. You should be able to get her off having sex with not too much exertion.

This is partially based on experience and partially theoretical projection... I haven't been in your exact same situation but I sure as hell would like to test myself like that!

I sort of feel like the proverbial woman in the relationship here...

Like if I wait 2-3 days, I'll be begging for sex. That's what my libido is like.

But twice a day, and it's less pleasurable. It's almost like a chore. And yes, it is difficult to maintain an erection under these circumstances.

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"A man is but the product of his thoughts, what he thinks, he becomes." - Mohandas Gandhi

I'd say how much sex you're having depends on many variables.

How long you've been dating.
Living arrangements. (living together, with parents, etc.)
How sexual both people are.

Personally I've been dating my girlfriend for 7 months now and we have sex almost every day. When we first started dating it was 3-4 times a day for the first few months. We're both very sexual and live together so that helps.

I've talked to friends who live with their girlfriends and some only do it twice a week.

From everything I've read, I believe that it's just like anything you can do - the more weights you lift, the bigger muscles you get and the more physical activity you can do.

There is lots of information out there on how to increase your sexual performance, with certain exercises, and just by eating healthy and having an active life style.

Maybe you are not into much physical activity? It seems that the more active you are, the more often you can enjoy sex.