Keep thy heart with all diligence; for out of it are the issues of life. Prov 4:23
It's that way in our spiritual being as well. We have a "heart" that keeps our souls alive. And if we don't take care of it, we'll end up dying spiritually as well. Except a spiritual death is so much worse than a physical one.
Protect your heart, ladies (and fellows).
Because you only have one life, one chance.
You'll never make it on your own,
So ask God for His help.
He'll lead you every step of the way.