How to Have a Sharp Mind and Not Be Forgetful

If you are not good at math, then you still can't do theoretical physics. You need to have the mindset of a detective for very curious detective. Give yourself permission to forget what you don't find interesting. That way you will pick up those things you find interesting and those may be the important things. I am a very forgetful person in a variety of things. So some people naturally have sharp minds. I'm not one of them. But stay physically fit, stay physically active. Don't eat too much. Don't become obese or wait. that's first thing. Yeah.