That's 52 AND natty if I remember. Seems like only October 6th in your Perseverance thread you were saying "squats have been shit the last couple of months" lol.
I mighta missed it in the other thread, but is that a new gym for you? EASY lift, btw.
600 is impressive at any age; most guys will never see that.
The way that up and with that depth, there's no way on God's green earth you ever had a doubt. That would make for a good second attempt sandbagger. lol