Veterinary techs can control their emotions Veterinary techs can control their emotions. As a tech you're guaranteed to see a lot of happiness, but you're also going to be exposed to a lot of heartbreak. You may need to euthanize animals or deal with distressed owners, or even worse, irresponsible owners who don't care about their pets as much as you do. In order to be good at this job you need to learn how to stay on top of your...