Dr. Temperance 'Bones' Brennan:  I myself have not _ one _ in my life whom I talk to that much , outside of work I mean . Perhaps that is good .
Ken Nakamura: How so ?
Dr. Temperance 'Bones' Brennan: I can see how much pain you 're in ... Is it worth it ? ... To have your own happiness so contingent on another human being .
Ken Nakamura: If I was willing to give up my life for Sachi ... why would I not be willing to risk my happiness for her ?