Go talk to an EMT some time. You should really wear it all the time, but UBU.
My dad had a truck roll over on his car. If he’d have had a seat belt on, he wouldn’t have been able to dive down flat on the seat. The truck crushed the roof down to the hood/trunk level. Super rare thing to have happen I know but true story. Only thing that happened to him was glass in his left knuckles because he kept his hand on the steering wheel. Big old 72 Plymouth Satellite. There happened to be a professional photographer passing by so he stopped and took pics. I still have the 8x10 glossy photos he gave my dad. He also sold photos to the local papers.
My daughter is a paramedic. Her husband is a State Trooper. It’s fun to get them started on their grossest accidents. They ALL include ejection from not wearing belts.
Don’t be the topic of a first responder’s accident story.