If I tilt my head back, the sunlight can directly hit the back of my skull
Mom said get some Afrin and use it the day before you’re flying and the day of. Keeps the eustachian tubes from collapsing (I had that problem last time I traveled.) Two puffs in each nostril.
Well I did it. After 15 minutes I turned to my wife and said “my nostrils are so open I can smell God!”