The Stans as teens going to class on the other's body to see if others tell anything is different. Only a couple people do and its mostly teachers like the coach noticing Ford performing better in PE and Stan not being as physical to his brother. Physical like playful shoves and such.
Oh they absolutely would hehe
Pardon me pivoting to Stancest, but your mentioning "the coach" makes me think of the 2fords AU (which if you don't know, is an AU where Ford, while in the portal, goes to a parallel dimension where the Ford and Stan there are still in high school. portal!Ford goes by a fake name (usually I see "Mr. Forrester") and becomes a teacher at the school, and usually ends up getting with the Stan in that dimension while the Ford in that dimension just gets super jealous and angry that this teacher is taking Stan from him. Personally I'm not really into that kind of teen!Ford and I prefer 2fords where Forrester gets with both of the Stans ;) Theres also the opposite, 2stans AU, where (old) Stan goes to that alternative dimension instead and becomes the PE coach, who usually ends up getting with the (teen) Ford there.)
The point I'm getting at is 2fords and/or 2stans ft. NBM shenanigans.
Teen!Ford drooling over Coach Forrester (old Stan)'s body? "Wanna take it for a test drive, Stanford?" He asks, taking off his and Ford's heads then placing Ford's head on his body so Ford gets control of the coach ;)
