Look out...Mac may be going section 8 on yall in the near future.
But seriously, Mac hasn't had his freak out yet. Mainly, it's because he covers it up with bravado and jokes, and whatever is left over, he swallows it, buries it inside, showing no sign, not even to him, of its potential danger.
I plan to do more character exposition as time, zombies, and life allows. As the singer, Seal says, "No, you're never gonna survive, unless, you get a little crazy"