...So look after it and don't abuse it or allow it to be abused.
Hand you heart over to Allah and He (swt) will guide you and inspire you to all the answers to your questions.
When you hand your heart over to the One who gave it life - He (swt) will give life to all your dreams, wishes and hopes.
He who has no one has Allah and he who has Allah has everything.
Look after YOUR heart - it's precious and YOU are precious! :)