[That just really killed the mood - and seems to emotionally withdraw but since they're mentally connected can feel the scarring pain and see the sadness in those brown eyes and verbally states]

Jack - [There's a lump in his thoart] I couldn't impregnant you if I tried.

[Maybe he should have had the talk before hand about the Rasslion Curse that made all the Time Lords sterile but - Rose had made him very horny and he hadn't been thinking straight - at all]