The heart is a strange beast and not ruled by logic.

Yelena, you've driven me crazy. You've caused me considerable trouble and I've contemplated ending your life twice since I've known you." Valek's warm breath in my ear sent a shiver down my spine.

"But you’ve slipped under my skin, invaded my blood and seized my heart.”

“That sounds more like a poison than a person,” was all I could say. His confession had both shocked and thrilled me.

“Exactly,” Valek replied. “You have poisoned me.

When I carved this, my thoughts were on you, love. Your life is like this snake's coils. No matter how many turns it makes, you'll end up back where you belong. With me.

You've slipped under my skin, invaded my blood and seized my heart.

And what did you give him in return?"..."My heart.

But you've slipped under my skin, invaded my blood and seized my heart.