His eyes flicker to her as she hops up to sit on the workbench, hands not pausing, and there's a hint of a smile tugging at the corner of his lips as he returns his attention to the engine. He's pretty sure their Natasha would hurt him for thinking this - he's pretty sure this Natasha would hurt him for thinking this - but there's something weirdly endearing about her right now. Which, he absolutely did not just have that thought and would not admit to it even facing a firing squad. But...yeah.

"I went blonde once," he comments, leaning down to bolt the sump pan back on. "Tried to, anyway. It didn't really work out that well." He smirks to himself and elaborates. "Some stupid bet. I must have been...what, about fifteen?"