Another Button

She's torn from her thoughts as she hears a plink noise, and looking down she finds that history has repeated itself. Once again there's a button floating in the second cup of coffee.

Her shirt is hanging almost completely open now, with only one button actually holding her shirt closed she freezes. Tipping away the coffee and making a fresh one will at least buy her a little time, but she may have to turn around eventually. What the hell can she do?