A guy enjoying a perk simply won’t fly.

Sacrificing a first-class seat on a flight is now an enlightening litmus test for romantic relationships, revealing whether a fella is chivalrous or selfish, warns an insistent influencer.

“A real man is going to switch seats with you,” said Madeline McAdam, a NYC-based content creator, arguing that gallant gents should automatically relinquish airplane upgrades to their wives or girlfriends while traveling, in a divisive viral vid. “It’s not about the seat. It’s the principle.”

The blonde’s ex-boyfriend broke the unspoken rule at 30,000 feet, failing to forfeit a business class bump-up to her during a…

Read the full article at NYPOST.COM