I don't! Really! My brothers and I all have names like this anyway... Choromatsu, Osomatsu, Karamatsu... so I understand if it's easier to just cut the matsu off! Actually, the only nicknames I don't like are the ones they give me.

[ He's assuming his dislikes are why she's unsure, but so long as it's not something insulting (like... Fappymatsu...) he doesn't mind ]

Um, but if you don't think you'd use it, th-that's fine too...