Not all stories associated with Kevin Hart are strictly true. They might incorporate real-life experiences but be embellished or reimagined for a more engaging narrative.
Yes, it is. The movie 'Fatherhood' is based on a true story. It tells a heartwarming and often humorous account of father - child relationship which was inspired by real - life experiences.
It's hard to say for sure. It could be based on a combination of people he's encountered or events he's experienced, but there's no clear single individual identified as the basis.