Millions of workers have left their job over the last year due to lack of motivation and progression, being overworked-and rude bosses.A poll of 2, 000 adults found almost a fifth had left their job out of choice in the last 12 months alone, with a further 22 per cent having done so in the past five years. One in 10 of those have quit as recently as the last six months and an additional 16 per cent plan to leave in the upcoming year. Among the top 30 reasons for doing so include working hours th