After dashing away from opponent, you could hold a block for as long as you want, but when you release the block (sitting idle as above says), or even if you had just evaded but then didn’t actually block afterwards, then after couple seconds your attacker will move forward again to about arms length away from defender. He won’t actually hit the defender if you are just idling, but will just stand there.
Comments
Your situation is not normal (but it happens to me sometimes as well). It’s a bug and mentioned by many players periodically.