That shirt is funny as hell.
I do agree that with squid, and a solid bite, all bets are off.
I always go with, how far can you throw an iron? 80 yards? 100?
I've also learned that beer smoothes things out and heals wounds.
That's why my PA looks like I'm sinking early in the day.
Really, it's an awareness and respect thing.
If you feel you/someone is too close, you/they probably are.