Those are just quotation marks. Air quotes are when you use your fingers to form quotation marks in the air.

Idk man, I have a friend who's almost 40 and he skates all the time (though he did start when he was younger). From what I understand, you just have to learn how to fall correctly, like, rolling with the momentum. Unless you have issues with bone density or something, I say go for it!

Unrelated but this reminds me of that Bayeux tapestry site that let you make your own medieval images/memes. I wonder if it's still around

They probably don't. Even if some ticks get swept up by non-hosts and die, enough find food this way to make it favorable to evolution.

I've been told that Sri Lanka is a popular travel destination for vegans because the food is like Indian food minus the ghee.