 After that Booth finds a Foreigner CD and begins playing "Hot Blooded" and he begins to dance to it and after some coaxing, Brennan begins to dance with him.This is seen by many fans as an early bonding moment in their partnership and is seen to contain certain romantic undertones.However, their joviality comes to an end when David calls to check up on Brennan and Brennan reveals that Booth is with her.