Anyone who has spent some time job hunting will know that job interviews are like buses, there are none for ages, then 3 arrive at once. Of course, the hard thing is when the job you want most is the first interview, then you have to act as positive about the others while you have every finger and toe crossed hoping you managed not too come over too bad on the one you want. This finger and toe crossing usually effects your performance at the other interviews (gives you a funny walk and makes it hard to shake hands for starters) meaning you are probably not going to get the other jobs so in reality having 'not cocked up' the 1st interview becomes even more important.
This interview juggling scenario is also effected by the urge to check your emails or wait by the door in case the letter arrives to say you have (or have not) got the job you want most. If the important email arrives as your waiting for the next interview it could lead to an interesting conundrum. Do you say I have just got a job which I'm taking so can we cancel the interview; do you stay quiet, do the interview and have them offer you the job 2 days later at which point you say sorry I have to decline; or do you stay quiet and try to increase your offers by playing they two offers against each other slightly. I say slightly as this last scenario could lead to you loosing both offers which would not be good.
Oh, Job interviews, you fickle beasts where people decide your worth on a few high pressure questions and possibly end up making the wrong choice and leave the right person sitting at a laptop looking for more places to practise their hand shakes.
As you can probably tell, I had an interview for a really good job, which I want, yesterday, I'm now using every zen thing I can not to sit on the door mat with my laptop email updating every 20 seconds and my eyes propped open with match sticks so I don't miss the you have (have not) got it moment.