Of course he wants her.
It's not even a question. It's not a problem either (in a manner of speaking) because she knows and understands.
It's the rest of the office that doesn't, he's reminded, when Havoc and Breda string mistletoe above his office door. Luck is the only reason Hawkeye didn't enter beside him.
She watches, desperately composed, as he burns the mistletoe into ashes, trying to hide the sheer effort required to snap his fingers. He wants...
If he does give into that kiss, it will change things. Jeopardize their situation.
He needs her more, they both know.