Does it hurt when you transform into therian animal form?

Answer 1

I am going to assume you are asking about physical changes. For a physical change to take place your internal and external body structure would have to change so in theory yes it would hurt a lot. bones would need to shift and changes places which would certainly cause pinched nerves.It is important to note that a physical change is NOT something that is possible.
If you were asking about mental change then there is no physical pain involved with that