Good point he does seem to have a high tolerance. Anyway he's been posting on FB so it seems like he's OK.
Seriously, maybe I've missed it, but he's still scarce, right? Maybe he's actually in overtime land b/c I think he works in medical insurance or a related industry. Hope you're well, mah dude!
Let's look at it from a different perspective. Narcissists have a need for constant ego boost from social interaction, which is known as narcissistic supply. When this is gone or limited (no more bars), the narcissist has a rough time.