[Kurt's got his hands full of red and white fabric, sewing supplies surrounding him as he goes to work at Finn's letterman jacket, which is currently in two pieces. He appears to be deep in concentration, although there may be a hint of frustration there as well.
In other words, that mood he's been in? Yeah, it's still there, rather like a small storm cloud that's settled above his head, and it might as well be rumbling with thunder. He snapped at Mr. Schue, he could snap at anybody. Excluding one Finn in particular, a girl named Abby, and any and all Mercedes. Quinns are probably safe too.]