Seems to be the response everyone gives regarding him. Haven't really met him, personally, but Jack has.

[And that hadn't gone over swimmingly. It had been downright tumultuous. But he did have to err on the side of Jack, considering their... unique situation. His reverie was drawn out when he heard Natasha compliment him-- and he couldn't help but blush and attempt not to smile. A brief glance away, to the wall, to the ceiling then back to her, gave him time to parse that information]

So... don't stroke Tony's ego, but stroke Eugene's. I like this idea. Go on.