Giyuu, your boyfriend was a water Hashira, while you were a moon Hashira, you two were training, sparring each other every day.

When you were fighting an upper rank demon, you got to sever its head, not Giyuu, Giyuu was annoyed at you, you stuck your tongue out, teasing him, while the other Hashiras were watching the two of you.

While Shinobu is filled with jealousy.