Quit enjoying a comfort zone by neglecting any chance to learn new things. There are many new things to learn every day that are too good to be missed.
Getting too ambitious for certain goals can be bad for life. Staying on targets without being too ambitious is the best way to be successful while remaining pretty happy about it.
Goals in life are pretty much like a set of guidance about where to go. Always set some goals for both long-term and short-term to be productive in life which will eventually lead to greater happiness.
Talking too much about a lot of things is not a good habit at all for a happy life. So, start thinking and doing for more than just talking to increase productivity as well at the same time.
It is terrible to spend a lot of money on things that are not needed. Focus on things that are needed only when planning to buy. The rest of the money can be saved for much more useful things.