If not, choose not to feel bad about it.
If you want to retain what you learn, you should test yourself while you learn it.
Secondly, be content to be considered stupid.
These videos helped me do well for my admissions, and his weekly medical student vlogs gave me insight and inspiration for what's about to happen to me for the next five years.
Most things are things we have some control over, but not complete control.
Firstly, recognise that no one is thinking about us.