Thanos Thanos:
those little terriers are tough as nails. One used to regularly try to take on my much bigger dog and get the shit kicked out of him (call it very rough play fighting), and still keep coming back. then he'd hop into my lap and want to snuggle rather than his owner's, who just had him for show.
Went skiing in Australian gully (where all the out of bounds numbnuts get in trouble) Very steep. My dog was an experienced backcountry dog, had no problem. Took the terrier along once, which was definitely not built for this sort of thing. He'd sit at the top of the slope yapping, me calling him to come. He'd finally get up the courage and ski down on his butt, steering with his front legs, until he'd crash into some heather or such. Repeat several times till we made it to the bottom. Tough.