[quote=@White Feather]
<Snipped quote by KoL>

That's a great plan! But it doesn't fit in with Lucifer's persona. Damnit!
[/quote]

If it was I, I'd say that he has a split personality that triggers in situation of extreme emotional duress and do it anyway. After all, [url=http://tvtropes.org/pmwiki/pmwiki.php/Main/BewareTheNiceOnes]Beware the Nice Ones[/url].