In order to change your life, you don't need to overhaul it completely. Your habits shape a lot of who you are and who you become, and it's now well-known that when you change a few key habits, you can actually change your entire life as a result of that small, key transformation.
Exercise regularly and you manage your stress better;
Write daily, and your focus increases;
Change your environment, and everything follows;
Transformations are a result of compounded small changes, not large one-off attempts
Nothing happens overnight. You can't run a marathon without training first.
Focus on starting small, and practice that key habits to make them percolate to the rest of your life. The key is to be consistent and focus on small wins:
Put in the work every day;
Trust the process;
Measure your progress to stay motivated;
By putting in the effort and trusting the process, you will improve much more than what you thought to be possible!
Choose a single habit to change in your life
The most important thing is to choose and stick with a single habit that is known to be transformative. For example, working out 3x a week.
If you shift your mindset to workout 3x a week and focus on that process, you will realize that your life will improve as a whole: more energy, more focus and you will feel happier.
Only key habits matter
Remember, by focusing on key habits you have the power to change your life and become a better person, and, it doesn't take much. All it takes is the commitment to stick to one thing and trust the process, and, slowly, over time, you will start to see the results of your investment in yourself paying off huge dividends:
You control who you can become through your habits;
Makes you believe in yourself;
Transforms you into a better person;