At first, Darcy was so lost in her kiss that he just went with her wherever she wanted him to move, and so when she climbed into his lap, it was an incredible surprise but he automatically just continued kissing her.
It was a few seconds before another voice started kicking into play. A louder, sterner, more judgemental voice. Christ, hadn’t he been furious with Shepard for even suggesting this? Why has she? What was this world all about. Was this okay? He didn’t know if it really was, or if he was okay with it even if everyone else seemed to think it was fine.
So, his hands moved back to her shoulders, and he pulled back a little as he gently pushed for her to do the same. He gave her an almost apologetic look.
“Erm- I - give me a minute?” he requested. His heart wasn’t racing, his lips felt swollen with kisses, and he was quite afraid that he didn’t entirely trust himself. It was a lot, especially mixed in with then declarations of love, and probably work taking a moment to think for both of them.