Wasting your weekends

You might strive to be put-together Monday through Friday, but if you're a total mess on the weekends, that could come back to haunt you.

Wasting your weekends can ultimately set you up to look like a failure. If you spend your days off overeating, drinking too much alcohol, wasting money, and putting off tasks, you're going to end up projecting the idea that you're not a terribly successful person.

Plus, those vices will likely catch up to you on Monday.