Protect your heart

What is the best way to protect your heart and keep it healthy?
I asked my highschool friend who is one of the best heart surgeon in the world to tell me what's the best way to protect heart. Here are his tips:

Stop smoking
Reduce animal fats in your diet
Focus more on Mediterranean Cuisine: veggies, fish, olive oil. Reduce red meat.
Increase fiber intake (oats, fruits, etc)
Take your vitamins and antioxindants
Reduce salt in your diet to minimum
Lose fat, reduce your body fat %
Exercise & Play sports
Reduce stress
Check your blood pressure
Reduce alcohol
Be social. Have friends.
Having sex and beeing in love relationship with your partner is good for your heart, research shows.

Now you know what is good for your heart. How many things from the list are you already doing for your heart?