[Natasha understands the concept. The Red Room didn't leave her with any choices. The missions she went on, the things she did. Someone stronger than she did might have opted to refuse a mission and be killed. But Natasha wanted to survive. Part of her had liked being the best. She's still glad she walked away.

She won't contest her paranoia. He might find it comforting to know that she doesn't take anyone's sanity for granted. Her apartment is littered with hidden weapons. Several of which are within reaching distance right from where she sits on the couch. She's been taken by surprise in the past and she likes to reduce the possibility of it happening again when she can.

Her mouth curls in a little smile when he says he's not really familiar with slime.] Well, I'm glad you're letting me help. This would've been a pain in the ass to do one handed. [She picks the toothbrush again so she can get back at it, but it's clear that she hasn't dropped the subject yet.] So, you're still HYDRA. Should I be worried about you trying to kill me or Steve? Passing intel back that way next chance you get? [It's a practical question, both to assess exactly how HYDRA he thinks he is and if she's about to have to turn this night into a fight.]