Way to twist that knife. Thor did his best to not be sour, or paranoid. Diana wasn't exactly with him anyway, despite everything, so what could Thor really say? Jealous or no, however long he'd been dead, Diana had evidently found some companion to keep her spirits high. Thor supposed he owed Clark to some extent for that. But Diana was here now, with Thor, so the thunder god did his best to keep that fact in context.
"I see." He replied, then turned his attention to the act of staying upright. Once they got into that track and got moving, it became easier. He found he was able to balance better, mostly. Then when he could, he glanced toward her to see if she was at the same point.