Here's an article to stop a bad habit, and an article to start some good ones:
On stopping self-criticism: small answers (love this blog)
I love how it's called "The Itty Bitty Shitty Committee" ha! Amy Poehler also had some great stuff to say about quieting "the demon voice" in her fabulous book.
10 Better Money Habits for 2015: lifehacker
cuz i'm a groowwwwn woman: