Flammenwurfer

He didn't directly imply, he just used reverse-psychology by saying how dangerous it was but also his siblings are there and oh yeah a super amazing egg he can use is also there but no he couldn't possibly go

Hardness is probably applied only to its armor, while toughness refers to its damage reduction as a whole

I think it's a bit like a buff that works in specific circumstances. Probably something like "super speed and reflexes when in close proximity to someone with a gun"

I think it's the difference between following a script vs imitating someone you've known for decades

Actually, he could potentially strike all the primers on the bullets using his ability if he advances it enough

Chinese dragons are usually supposed to be "all stats maxed", so it's more that he's getting the agility aspect specifically. There's probably other talents like "strong as a dragon", etc

Mice

"Milk" is a euphemism for "healing"

The implication is that she believes he's either capable enough to handle it and knows what he's doing, or is a fool and not worth her intervention

This is actually true, the original version of mickey mouse has it's copyright expire pretty recently