Negative people obstruct productivity in the workplace in a handful of ways. Their pessimism serves as a buzzkill when, every time you suggest an idea or improvement, they say, "No, that will never work." Complaining and gossiping at the office undermines morale, which also undermines productivity. If you can't get away from these folks, you need reasonable strategies to deal with them.
The next step after applying for a job is to wait for the phone call from HR, letting you know that you've been selected for the first round of screening. The recruiter at the end of the line knows that you are interested in the job. But are you really prepared for that call?
The left brain is analytical, the right brain is creative, or so say many psychologists. In the past, good leaders used left brain skills more. Today, however, there is more need for right brain qualities in business. Perhaps we need a "whole brain" approach.
The dog person vs. cat person war is all in fun, but your choice of pet may say more about your personality than which pictures you upload to the internet. It might even give you (some) insight into which jobs you will enjoy and perform best.