Most independent strong foid consensually engages in a three way with her friend and BF. Regrets it the next day

The most important part of engaging in group s*x with your partner is discussing it beforehand, establishing boundaries, and vetting someone you know will be respectful of your relationship and understands the role they will be playing in your s*x life with your partner.

None of that happened here. It feels very immature and poorly thought out on their part. You have every right to be super uncomfortable with this and I'd strongly encourage you to re-evaluate your relationship with both of them.

Redditors can't even jack off without asking each pube for consent and having it signed in triplicate.

Just go with the moment you emotionless freaks