Some people do make some mistake by minding someone's business is better to focus on yours try to brighten your future. Think wisely that's time you will spend by looking at someone's doing isn't it better to keep yourself busy doing your own it won't be necessary to waste it up At the end of the day you find yourself guilty by not using your time properly at list he/ she will be happy with the little he/she made. And what about you?  You will be left behind. So please let be fully focused on our business.