Her ex and his fiancée both seem jealous at the passion displayed, and later move along.
FDR demands that Lauren explain what just happened and suggests they grab some dinner at a nearby pizza parlor, where they talk seriously and hit it off.
He decides to sign himself up and is paired with Lauren Scott (Reese Witherspoon), a product-testing executive who is dealing with the recent engagement of her ex-boyfriend.
Tuck and Katie reintroduce themselves to each other and she invites him out for supper as a family. They are about to parachute out of a Chinook helicopter when FDR reveals that he will be marrying Lauren, and asks Tuck to be his best man.
He reveals that he had sex with Katie before she met Tuck, but no longer feels guilty about it because Tuck had sex with Lauren.
Tuck goes to Joe's karate lesson, where Joe loses his match.
Tuck tries to give Joe advice but Joe rolls his eyes and asks how he would know since he is just a travel agent.
Later, after dating both men a few times Lauren feels guilty about dating them at the same time, but is persuaded by Trish to make the best of the situation.