I can believe that. Even while people are young or are in college, they should be switching jobs to get a variety of experience which will ultimately lead to getting a better paying job each time. I learned this lesson while I was in high school and college where I chose to stay to work at the same supermarket for seven years. I literally got about $1.50 in raises during my entire duration there so I was making next to nothing which was my stupid fault. At the time I got too comfortable at the job because it was easy and stress free and I was afraid of change so I was there way longer than I should of been. Most employers (especially in retail) give little to no raises at all so people have no choice but to switch jobs if they want to make decent money. You honestly cannot count on raises anymore so once you get the experience for a better paying job, you'd be making more money by making the switch instead of staying at your current position that pays less with very little raise increases. The days of people collecting a pension by working at the same place for over 30 years is over. Unions are falling and unionizing was what kept people at the same companies because union contracts would dictate raise increases but today most places without unions can feel free to give as much or as little raises as they see fit.
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"The less I know about other people's affairs, the happier I am. I'm not interested in caring about people. I once worked with a guy for three years and never learned his name. The best friend I ever had. We still never talk sometimes."