There's always a possibility that the song is being sung from the Final Cylon's perspective on someone else. That changes things a bit. Now, you could argue from that position that Baltar is going a bit touchy-feely on Roslin. Plus, a similar sentiment expressed for a second wish might suggest Baltar's going touchy-feely on Starbuck. A final stretch is Baltar sees himself as the cause of all this crap and is going to leap on 'life is given meaning by death' by sliding off his perch and giving way to Starbuck running with her destiny. I mean, let's face it, if Baltar is the Chosen One he's done everything he can to screw up like he doesn't want it. If he hadn't barfed his chance at the Temple of Five I'm guessing Starbuck wouldn't have a destiny. Somehow, I picture Baltar and Six going down in flames somewhere down the line in some sort of romantic curtains over scene as the Hera deal kicks in.