Try and be aware of your emotions at all times, and learn to manage them.

Don't bottle up your emotions and try to suppress them.

Exercise can be helpful to improve mental and emotional health.

Make a list of all the positive outcomes you expect from making a change and the negative outcomes of not making it.

Try to come up with these reasons yourself to make it more effective.

Spend more time with positive and supportive people who will help you make that change. Try to find a partner who wants to make a similar change, and support and motivate each other.

Try and avoid people who might distract and demotivate you from chasing your goals.

Write down plans and steps to implement your changes and to accomplish your goals.

Keep it very detailed by including time, place and also a backup plan in case the initial plan fails.

Example:

I will wake up at 5am and go to the gym to exercise...