Those amorous glances. Han rarely appears to be lacking in confidence, but now that there was a Rey around to shoot him looks like that ... it spurs him on all the further sometimes. There isn't more than a couple of steps between where they wash up and where the bunks are, but Captain Solo has a little (more) swagger in them as he approaches.

There's a lean in close and a kiss that happens before he gets into the bed, but when that matter is settled, he will join her under the covers.