It's not okay to risk a friendship.
Tammy has been single for a while, and she realizes she can't stop thinking about the crush she has on a friend's ex-boyfried.
Tammy wants to pursue a relationship with her friend's ex-boyfriend.
Tammy contacts her friend to see if her friend would have any feelings about her dating the ex-boyfriend.
Tammy contacts her friend's ex-boyfriend, and they start dating and run into Tammy's friend while out one night.
Tammy's friend is supportive of Tammy calling the ex-boyfriend and wishes Tammy the best.
Tammy's friend is upset and does not understand when she sees Tammy with her ex-boyfriend.