How can you improve both your attitude and your mindset to live a higher quality of life?

1. Leave Things Simple - The bottom line is always simple. Remember that when life gets too complex and stop overcomplicating everything. Divide the problem into its simplest form and it won’t be nearly that scary.
2. Let Stuff Go - What does not make you happier afterwards than before is something you should not keep in your life. Be willing to give things up for that makes room for better things. Keep a list you update regularly and cross out things regularly.
3. Be Courageous - It is courage that creates experiences, and those experiences then create a much stronger mindset. Do at least one thing every month that requires you to be bold and brave.
4. Hold Yourself Accountable - At the end of the day what matters is what you get done, not how you feel about it. You have to have a level of accountability to get to where you want to go. Start the week off by writing this “Must-Do” List and keep it very easy.
5. Have Fun Along The Way - Keep a sense of baseline accountability. Know what things you need to get done and do not do less. However, outside of that, you want to have as much as possible with everything, including those things you hold yourself accountable to.
6. Remember This Was Your Idea - No one is keeping tabs on you. You do not have to prove yourself to anyone. It is your life and you alone decide your path. So, if you do not like it, then scrap it! Do something else! Have more fun and find a way.
7. Find The Way, Not The Excuse - Both always exist. It’s up to you to choose which one you want to pick.
8. It’s All About Happiness - No matter what you do or how you do it, in the end you hope that this brings you happiness in life. Remind yourself of the goal so you do not get lost along the way.
9. Just Do It - In over 99% of cases it is your mind that stops you from doing what you need to do. Do not think of a reason to do it or not to and just do it.
10. Change Your Thoughts - At the end your attitude about life boils down to practice, experience and, most importantly, the thoughts you have. Make sure to write down your thoughts, to look at them and to change them to things you would rather think about if necessary. Over time this will create a brand new attitude.
11. Find Proof - In your past you have already encountered some situations that fostered certain beliefs. Remind yourself of the ones you wish to adopt more regularly and you will, over time, believe them more.
12. Accept It - As soon as you accept a situation you allow yourself to deal with it. The only time you go to the doctors is when you accept you are sick enough to go. It is the same with life, the problems and the things you did and did not do. Accept every situation as soon as you can and then take the responsibility to either deal with it or make it better. This also means you stop expecting certain things eventually, for those have no point if you accept everything anyway.
13. Worrying Serves No Purpose - Things are not as bad as they seem. If you can change it that means it will not last, so why worry? And if you cannot change it then worrying won’t do anything either. So smile, do what you need to, and let go otherwise.

Source:  Lukas Schwekendiek