Point taken. I suppose for some it's a matter of degrees -- determination doesn't imply being an asshole, but sometimes really pushing yourself can lead you to

Point taken. I suppose for some it's a matter of degrees -- determination doesn't imply being an asshole, but sometimes really pushing yourself can lead you to take energy from the things you'd be doing to make the people around you happy and divert that energy into your own work. That is, you don't become cold so much as you sacrifice a bit of warmth.