On a quick note about Cockers: my first "best friend" was a Cocker who my mom almost made me get rid of after she bit me (I was maybe 8 at the time). When we called the vet for some last effort advice, a tech out of the blue asked "does she have ear infections?" Surprised, my mom answered yes. The tech responded, "Well, you'd probably bite someone too if you had constant pain like that." Just my way of simultaneously acknowledging the high bite risk that is a cocker with an ear infection while saying im still a bit biased towards the breed. 🙂
As for the getting emotional part, I have the same concern! I'm concerned whether or not I'll be a "good vet" and thus I know I'm in for some emotional rollercoasters when an animal bites me, or the first time I misdiagnose a patient, etc. etc. But I'm reading a REALLY good book right now (seriously, I HIGHLY recommend it) about training dogs called "If a Dog's Prayers were Answered, Bones Would Rain from the Sky." At one point in the book she says the best bit of training advice she received was to "learn to train without ego." This is something I'm DEFINITELY going to try to incorporate into being a vet.
Here's the thing. My guess is the reason you got so emotional today was because, in our minds, we're going to be the VET and then something like that happens, and it makes us feel as if we're going to be a bad vet or we did something stupid. (Trust me, I have been in this place time and time again). But a truly confident (and good) vet will still probably get snapped at from time to time. The difference will be that he/she will look at the situation to see if there's something to be learned from it, and then move on without dwelling on it. We're still at the point where we get emotional about it. 🙂 Someday I hope to learn to work as a vet without ego, because I think that's truly the place where we can learn to be the best vet. And hey, on that note, I've gotta learn how to be a good vet student without ego! My problem is that I take situations like getting bit as a personal reflection on myself, and then I lose confidence. Instead, I need to realize that every situation is a situation I can learn from, and that I'll never know EVERYTHING or do everything right. And besides, I'm sure there'll be times I do everything textbook perfectly, and something still goes wrong.
So I guess what I'm trying to say is don't be so hard on yourself. Is there something you can do differently next time so that you don't get bit? If so, be happy for the situation today, because then you're already further ahead than, for example, I am. And just remember to be confident in yourself; if you exude confidence in front of your clients (even when you don't necessarily feel it 🙂) they will be confident in you, regardless of what happens. I hope that helps a bit; just remember: many of us are in the same boat! 🙂