They’ve done studies on Win Hof and some people at least are just physiologically resistant to the cold.

The mask isn’t for you, it’s for everyone else.

If Hank Green is anything to go by, it’ll only come back stronger.

Edit: His beard I mean.

You can actually walk on some lava (with boots.)

I have Ctrl + W and Crtl + Shift + T bound to my mouse for this reason.