I like both but human form is less itchy

With the four bulging discs that I have in my neck and lower back, it doesn't sound like too bad of an idea right now.

Nope! Anything with an exoskeleton goes dormant in cold weather. Also they are slow moving because of no internal heating.

That would have limitations of it's own.
Size constraints would suck, despite being strong in comparison.
You would have to shed your skin! 😖😆

Only if it's metal

No.

eh...