To me love is the affinity experienced between two people who are naturally able and willing to tune into one another's emotional, intellectual, and physical states - and respond to them in a nurturing and a stimulating way.
Don't compromise yourself by making a choice to inform your parents of this.
As long as you both enjoy this relationship, I say keep having it, but like I said, keep it a secret.
Hoe every thing you do, you just do it good and for your own means.