I'm heading to Vegas next week with a few friends. Because there are four of us, I'm taking advantage of comped rooms at Bellagio and Cosmopolitan. At Cosmo, I have a host, and I plan to do most of my gambling there. I don't want to completely ignore Bellagio, though, since I'd like to keep getting Mlife offers. None of my friends are Vegas regulars, but they all have decent bankrolls for the trip, and they play slots (I stick to BJ/Craps). Specifically in regards to Mlife, I have 2 questions: 1. Can I link my Mlife account with one for my friend, since he's a big slots player? Or would I be better off just giving him my card to use when he plays slots? 2. If I give him my card to put in a slot machine and I'm playing at the tables at the same time, does that raise a red flag in their system?