 Likewise, Bones has defended him whenever his ability is called into question and repeatedly made known that Booth is the only FBI agent she (and the other "squints") tolerate working with.Booth has saved Brennan's life in several episodes, such as "Aliens in a Spaceship", "The Wannabe in the Weeds" and "The Woman in the Garden".In the third season, their relationship takes on a new component when they are forced to undergo partners therapy with Sweets, who observes that they are very close and there is emotional and sexual tension between them.