That was mentioned above and I'll repeat here what I said in response. I don't think it was sex that the Doctor was thinking of in his justification, I never have. It was more the possibility of settling down, the white picket fence, and even more so, the ability to grow old together, spend *their* lives together. But maybe that's just me.
(no subject)
Date: 2008-08-23 10:06 pm (UTC)Definitely clearer, I hope my response helped.