"Yep!"

And he loves space science!

"And yeah, it did mean a lot to me. Although...it wasn't really that long ago. That was the day before I showed up here."

Which he feels the need to clarify, since the 'at the time' makes it sound like she thinks it happened a long time ago. Granted, it feels like forever ago, since his life then and now are worlds apart, but in the scheme of things, it's only been a few months.