Confession: In Fall 2020, IAH-SFO 789 (old config), No T24 sweep, GA cleared everyone 30 min before departure, I got 5B, I hate sitting next to the lavatory, so I politely explained the situation and asked GA for window seat at any row other than 5, she swapped me with 3A, as I was boarding through L2, I noticed a guy walking back and then sitting at 5B, I was kinda