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I'm really surprised people are downvoting this. If fek manages to make humans look good, then all win. If he doesn't, he just won't add them into the final release, as per F.A.Q. What's the reason to actively tell the dev to not even try to include humans into the game if you can tune out any species you want in the preferences anyway?
Take a look at R2CK's Trello, specifically at fek's "Finish basic body-on-body interactions" card in the Focus tab. Feet interactions are to be included in the game already.
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Someday people will learn to check fek's Trello before posting things. But not today.
https://trello.com/c/uMKDzgDF/544-finish-basic-body-on-body-interactions