I just wanted to share something which I've personally been finding helpful.
Negative talk (prajalpa) is a bad habit that most of us fall into at some time or other (or most of the time for some people)-:
21 days without complaining using the power of a rubber band!!!
This is a video about it.
This is the essence that you can put into action immediately.
Let me know how it works for you. Leave a comment below.
I look forward to hearing about your experiences.