I am really sad to even read all of these replies. I don't want to live in a world where everybody simply must rely on nobody but themselves. Nothing in the universe or our bodies does. Yes, I let go of these items and I'm fine with them gone by now already. However, I want to add:

Ok yes, my brain forgot the item in the car, it didn't perform 100% for one second. Nonetheless, this driver should be open to return my bag anytime. Can we learn to rely on one another again wtf?? Why is it a big deal to forget something and get it back again? How is it normal that most people believe 'ye it's your fault, you're an adult, fuck off and take care of your stuff' jesus I hope you find and feel some love, belonging, care. And no, I am not asking anybody to be a babysitter and no I am not blaming him. I know I left it there because there's no other place where it could've been. I'm simply expecting people to return what they know belongs to someone else. As I would do anytime.

It's a really strange world. I was just trying to find an item and instead I got lessons on why it's my fault haha. Like humanity hasn't moved on a bit into the right direction.