After a garage door spring snaps on a freezing morning, the door feels like it belongs to another house

https://repairgarage370.theglensecret.com/garage-door-opener-installation-mistakes-that-worsen-a-broken-spring-on-cold-mornings

After a garage door spring snaps on a freezing morning, the door feels like it belongs to another house, too heavy and too stubborn to move safely.