[Although Reisi's ignoring the first question, he'd probably be pretty good at sewing if he tried it.

More importantly, he focuses on Tenjoin's comment about the photo and question about the designer's lack of focus before choosing to respond.

Taking the photo into a hand and studying it, he continues.] While that isn't a reference photo, it can be useful.

So to answer your question, it might very well be a lack of focus or motivation to see the projects through.

[He holds the photo out near her unfinished work, revealing the pair's cheesy but fun-looking smiles.]

But if she could finish even one that her friend might wear it with pride... Don't you think that'd be more than enough to continue working on her designs?