—Dirty but delicate
Hands should, for all intents and purposes, be considered sex toys. When not used in a hygienic matter, they cause all manner of unpleasantness up in yer biznasty, including urinary tract infections, yeast infections, STIs, staph infections and so on. So, how can you communicate this with all the bike mechanics, gardeners and curry prep cooks you insist on dating? Allow me to lend a helping hand.
Make it a team effort. While kissing, but before things get too hot and heavy, tell him something like, "Oh, I forgot to wash my hands. You washed yours, right?" If he hasn't, this should effectively shame him into getting up with you and washing the Sriracha from his fingernails. Speaking up about cleanliness tells him that hand hygiene is important to you and your lady bits. This will also, hopefully, get him into the habit of making it a priority. Plus, it's another excuse to high-five your partners, and you know how I feel about that.
You could, alternately, keep a bottle of hand sanitizer on the night stand for easy access. Just don't mistake it for the lube bottle.
When confronting partners about delicate matters, I've always found it's better to keep the tone light, and make jokes about it if you can. You have a jalapeno story, for chrissakes. That's gold. Use that. "Look, I'm hot for you, but not that hot. Go wash your hands."
If all these methods fail, you could also appeal to his common sense, especially if you're prone to UTIs or other ailments that will lead to less sex for everyone. When he knows bad hygiene equals less sex, he'll clean things up.
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