[Cube rubs his arm for a moment before his eyes grow large at the mention of his 'other name.' He looks at her, some color gone in his face before looking away, fidgeting more]

Uh-I uh... Y-Yea...

[Cube nods, rubbing his arm more out of nervousness]

I-I'm Fireball. I forgot who I was before and I- I just remembered and I-
Please d-don't tell anyone, Miss Reisen!

[Awkward glance and more fidgeting. Could this day get any worse?]

I wanted to thank you for helping me with remembering how to speak. I-It seems silly now... but I ... it helped me a lot.