[F/d] Wife is teasing and pushing me towards our daughter

Happily married, and we have one daughter (we'll call her Rachel here) together. For some backstory, my wife had been on some meds and dealing with some personal issues that cratered her sex drive. It's been coming back recently though, and in some new and interesting ways. It started when we were fucking, and out of the blue not at all subtle while she's moaning about how good my dick is, says something like "do you think Rachel could handle a big dick like yours?"

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Kind of blindsided me, but I was too caught up in the moment from not having sex for awhile that I didn't say anything and just kept going. After we finished and were cuddling, she brought it up before I could, saying she thought I started fucking harder after she mentioned Rachel, it made her hornier, etc etc. I just kind of wtf at her, still not really sure how to process this, and she explains she's wanting to use her reclaimed sexuality to really not hold back, push limits, explore taboos and such. Now, I'm a complete perv, never tried to hide that lol. As she was saying all this, I started thinking about Rachel, and she really is a knockout. Tight, athletic body, cheerleader, popular, basically got all her mom's good qualities haha. I know my wife isn't going to just dive into anything drastically and like trick Rachel into sex or something disgusting like that, so I'm like sure, I'll follow your lead on this. Let's see where this fantasy takes us.

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For one it's really good to have my wife feeling sexy again, getting back to being the super kinky couple we had been. I'm very cool with her exploring this too, I enjoy femdom quite a bit so if it's a scenario where the wife demands something or wants to go a certain direction, I tend to obey and follow wholeheartedly dick-first.

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So last night we're going at it, good foreplay, and she pulls a pair of panties out from under her pillow. Cute, purple and white polka dots (I kind of have a thing for panties too). Waves em in front of me, asking if I recognize them. I don't, and she tells me they're Rachel's she took from the laundry. Makes me smell them, and it's nice and intoxicating (less from any actual pussy smell, they probably hadn't been worn in a few days, and more just the general idea of it). We fuck, passing the panties back and forth to sniff, she wears em a little, and finally finishes me off wrapping them around my dick for a handjob and I cum all over them.

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This is gonna be a fun ride, I think.