[MIchaelTArchangel]

He can’t stand her any more than we can.

and

She can’t stand him any more than we can.

[Kenny Bunk]

He can’t stand her any more than we can.
and
She can’t stand him any more than we can.

True enough.
But there is a back story. A seat on AF1 is usually occupied by Reggie Love. And Michelle, aka "The Scorned Woman," cannot stand to be on the same plane with Barry and Reggie. That's what started this separate planes nonsense.