Jealousy.

One word to describe someone's envy to another person, possibly the worst overwhelming feeling a person could get inside of their system. It sucks, really.

To the point tears would cry out of their eyes, seeing one's happiness over the other. Heart, heavy. Air, gone. It's truly the worse feeling you'll ever get.

“... I love you.” The petals falling down from wilting, neglected for weeks and tears forming down his cheeks. “I love you.” A desperate cry pleaded out from the Knight's throat.

“I love you so much, you don't understand..” Argenti's throat croaked out before falling into a small sob, tears falling down on the ground. “It's like a sword has pierced down my heart..”

“It seems like I care too much.”