Obsession & Love: Same Thing!

Playful and purposely irritating, the ill-behaved Eren Jaeger is always constantly challenging his peers. Part of the Survey Corps, he soon grows an interest: Heichou. Conversely, Captain Levi is not very fond of aggravating brats. He calls it an obsession, but Eren calls it love. Which one is it really? Or is it the same thing in their case? Mischievous/Masochist Eren x Levi