what makes me nervous

i was asked twice in the interview process "what makes you nervous." it was a question that stumped me. i can't think of many things that make me nervous. i should have said, "waiting." waiting to hear whether i got the job or not. waiting to hear if there's an offer. waiting. it's interminable and making me damn nervous. not even yoga helped. the only thing that will help is a contract in hand or an email offering one or a phone call. arrgh! don't these people know what it's like out here, waiting? not even a trip through the garden, gathering flowers helped me. i'll have to resign myself to being a basket case until i hear...