When I was younger, in the battle of Mind vs Heart, I used to always let Heart win. 

Heart was fun. Heart was carefree.

Heart was naive.

And Mind has never, ever let me end up in pain. It has made me focused, kept my standards high, and let me achieve so much more than Heart ever let me. So yes, Mind wins. Every time for the last 4 years.

The heart is deceitful above all things
    and beyond cure.
    Who can understand it?

-Jeremiah 17:9