I would make friends with the yoga chicks and be seen getting coffee with them, that's more likely to attract your wife back. Beware of the friend zone.
I'm not sure where the DB coach recommended that but the situation may have been different. Ultimately you should do what works.
H 34 W 29 BD 3/12/18 Divorce Busted Spring 19
It is not things that bother us, but the stories we tell ourselves about things.