The rule does make sense, and just the tip doesn't count as inside

Your friends are so helpful [ GIF, Cuckold, Cheating]

You lied [GIF, Cuckold, Cheating]

Your friends love hanging out with your girlfriend[GIF, Cuckold,

Natural-Born Cucks [Cuckold] [Cheating]

You're lucky to have such a nice housemate[GIF, Cuckold, Cheating]

Your nerdy girlfriend tutors all the boys[GIF, Cuckold, Cheating]

Your girlfriend noticed your housemate's 10 incher[ GIF, Cuckold,

you take what you can get [cuckold][cheating][GIF]

She's a real cheating slut [cheating][cuckold][GIF]

Helping her see heaven [Cuckold] [Orgasm] [Cheating]

Babe it's not cheating if there's no penetration! [Cuckold] [Cheating]