I'd say my Bodyguard except that I still think it's a tad under powered, low on rounds, and I had to spend a decent amount on aftermarket parts just to "fix" the factory trigger.

So, maybe it's not the Bodyguard even though I carry it 5 days a week. It's not my Glock either, despite my love for it. Just a bit too fat and heavy.

I'd have to guess it's somewhere along the lines of a Sig Sauer P938 or maybe even a Walther PPS(v1)? I've held both but shot neither. Both seem like the right weight and size, plus 9mm, but only actual carry reveals the qualities of a gun that keep it in my rotation. I'm more citical of these things as I get older.