What has he done now?

鬱なんて甘えだよ。ただ頑張るだけだよ？とにかく頑張れ、頑張れ！！

Gao's commentary:You're just depressing. Are you just trying? Try harder,harder!!

Stressing her out.

鬱なんて甘えだよ。ただ頑張るだけだよ？とにかく頑張れ、頑張れ！！

"That 'depression' thing is just you acting spoiled. All you have to do is just try, y'know? Anyway, just do your best. Do your best!!"