Exactly. Being in love is trying to never be mean or petty.

It's harder for a lot of people. [Which is why it makes it harder to explain to her.]

Okay remember when I made the book metaphor before? Let's say you only had one book and you could either selfishly keep it for yourself and make sure it never got ruined, or you could share it with Ikki in the hopes that he'd really like it, even though it might get dirty. Which would you choose?