For one thing you're looking for him, are you not? That shows you care for his safety. Most people who just know him passingly or not too well would perhaps assume that he is fine and cease paying attention to the matter. { For example: Almost herself but there's no need to get into too much detail. } You wish to be sure of this first before making any assumptions.

He cared for the one he's devoted to so much he wanted to find a way to express it. He also mentioned that person being here too. So it is merely making educated guesses and romantic assumptions from my side when I said that.