I guess he wouldn't be blushing if it was just that, but...
Remember, this is the guy he said "FORGET OUGI, I'LL FIGURE OUT HOW TO REPLACE HIM LATER, NOW TELL ME IF THE GIRL IN THE WHEELCHAIR IS SAFE!" to. It's possible he recognized/will recognize her. Though I doubt he'll draw the full truth from that.
(no subject)
Remember, this is the guy he said "FORGET OUGI, I'LL FIGURE OUT HOW TO REPLACE HIM LATER, NOW TELL ME IF THE GIRL IN THE WHEELCHAIR IS SAFE!" to. It's possible he recognized/will recognize her. Though I doubt he'll draw the full truth from that.