Dating app match leads to workplace tension

DEAR HARRIETTE: I recently matched with someone on a dating app, and after chatting for a bit, we realized we work at the same company. It’s a huge organization, so we had never crossed paths before — until, of course, we suddenly started running into each other in the office after matching. We never acknowledged it directly, and since then, things have felt a little awkward. It’s not like anything inappropriate happened between us. We just exchanged a few friendly messages before things fizzled out, but now every hallway run-in feels tense. I can’t tell if he’s pretending it never happened or if he’s just as unsure as I am about how to act.