It's not choreplay - it's there is always so much to do that it's overwhelming when someone wants you to do 2 - 3 full time jobs well. I think the job being one, the household running the second, and the child-raising third. When women are saying you might get more sex if you help with those things it's because we are fucking exhausted. Not to make it a tit-for-tat situation. You do x and I will do y. No, no, no. You all have this so very wrong.
Well, I'd say this is all going to depend on the personal situation. My wife and I work very hard (both of us). I'm not sure you could say who puts in more hours at the office or at home. And yes, we often wiped out by the end of the day. I get that, and I don't disagree. And it seemed entirely reasonable when, pre-A, at the end of a long day she'd say "I'm just too tired". I'm tired too! I get it, and I'm sad that sex isn't a higher priority for you (my W) but, OK, I can accept that too.
Well then, of course, the A happens. Same amount of chores. Same amount of pressure at work (actually more). More pressure at home (personal situations for both of us), one of which was taking up a TON of our free time. But you know what? Somehow, during that time when we both had, perhaps the LEAST free time in our adult lives, she still managed to conduct a full blown relationship/A. Managed to carve out hours to sleep with the AP. Sent about 9000 messages. Talked on the phone for hours. AND kept sleeping with me, and kept doing all the chores, and kept the household running, and dealt with our personal/time consuming situations. It's like time to f**k just fell out of the sky!
No. Desire to f**k led her to make time to do it. Or, more correctly, desire for the A made her carve out the time to do it (the first sounds much better though). And that's the point when you're dealing with a WS who "can't find time" to do something. Bulls**t! You found time to live a secret life, and you found time in that secret life to give your AP exactly the things that you claimed "no time" for me.
And, if we're talking about sex here, well, come on. Who doesn't have time for that? You can't find 20 minutes in your day (not at you HIO, in general)? That's ridiculous and insulting. What's far more likely to be true is "I don't feel like it", which, OK, a valid answer, but much different than "If you'd only mow the lawn for me, I'd have enough time for sex".
Speaking for me personally, I know it doesn't work to stimulate sexual desire in my W. Yes, I do it, because, as you rightly point out, it's just what your supposed to do in a M, or just supposed to do as an adult. No disagreement there, but where I strongly disagree is the undertone of "Well, if your H would step up and do his part, he'd get more sex". No, he'd be a decent human being and be doing his part (assuming he's not already doing it). But if A's show us anything, it's that being a "decent human being" isn't even on the radar for a lot of people when considering if they'd like to or will have sex with someone else. That's why I call this a red herring, particularly when a WS says it. The lack of desire, or the "lack of time" for sex with your BS when you found plenty of time to conduct an A? Nope, doesn't pass the sniff test. Too stressed? Nope, smells even worse, A's are nothing if not stressful, and you found plenty of time there. Just don't want to WITH YOU. That's a lot more in line with reality. How many stories do we have to read about decent husbands/wives with "low drive" partners who suddenly become porn stars, including my own, to realize that "not enough time" or "didn't contribute enough to the chores" is a total bulls**t excuse for lack of sex.