-All I can think of were those reddit threads with women asking how they could stop their SO from leaving shit streaks in the bed (because they thought washing their asshole was gay) and wondering how the hell I was still single.
My wife checks out these stories often; there was one where a manager of some random retail store hired a guy who was really attentive in their job but everyone complained about the guy's hygiene. The manager went out, bought a salvo of hygiene products, had a discreet word with the guy, gave him a few pointers and the products, and directed him to the showers. The guy's wife turned up a few days later and thanked the manager profusely.
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Back to the topic, it's taken me about twenty years to figure out the right amount of cleaning for my body, and one point in particular is that my legs below the knees don't get anywhere as much attention as the key areas like you suggested (I'd add feet to the list though). I kept getting fungal conditions on my shin of all places until I adopted my current system (my shins/calves get soaped maybe once a month, otherwise just exposure to shower water); in hindsight I think just everyday soaping was enough to break down my skin's defences and let stuff in, combined with friction from trousers and walking). I wasn't ever OCD like scrubbing the hell out of an area that didn't need that much attention, but still, my skin requires gentle maintenance. I'm not a big sweater either.