Originally Posted by
Often1
OP chose the window and aisle seats. If he wanted to be seated with his companion, he should have chosen adjoining seats, e.g. one of them in the middle or perhaps one of them just across the aisle.
Perhaps the other passenger will be quite happy to swap with you and take the aisle, so that you can be seated with your travel companion.
Exactly. This is the risk of electing to picking window aisle and leaving middle empty.