If you want peace in your life you following these steps:

Stop overthinking :

Overthinking destroy your mental peace.

Overthinking is very harmful for your health.

Overthinking is not joke.

Overthinking makes you uncomfortable.

Overthinking makes you depressed person.

Don't take depression :

Depression is very harmful and it is very dangerous for your health because it's make you a mental person and depression is comes from business,families problem,past mistakes which makes you a guilty so finish it.

Manage your problems:

Manage your problems calmly when you manage your problems calmly they absorb positive energy which makes you a strong person.

Don't remind your past:

If your past memory is good so remind it but if you past memories or mistakes is your biggest guilt so forgot about it.

Absorb positive energy:

Positive energy makes strong and polite person.Positive energy comes from good people's or nature it is very helpfulfor your health it's make you comfortable and you feel peace.

Sit with good peoples:

Good people makes good company.

Good company feels you happier.

Good people never been fake.

They always help you when you want help.

Block irritated people :

Fake peoples is very dangerous they destroys your mental health so when someone irritate you then stay away from them and take a long breath when you feel better.

Control in your anger issues:

Control your anger issues when you're frustrated mind and your body absorbs negative energy which is not good for your health.

Don't compromise on self respect :

Self respect is very important to build your character or personality.Self respect is important because when you gave respect yourself then others are also gave you respect.

Build your character :

Build your character with always be polite, kind and caring for others.

Your character is your personality:

Don't compromise on your personality.

Personality build character.

Always think positive :

When you think positive you always on right direction because when the mind fresh you feel happiness and kindness.

Small friend circle :

When you make a friend's group or friend circle you make sure that these friends are loyal with you.they don't break your trust.they always available for you.the small loyal friend circle us also a peace of mind.

Loyal friends or family members:

Good company is very important for you loyal family members or friend is very necessary for peace of mind if they are not loyal with you stay away from them.

Don't make fake friends:

Fake friends feel you you're useless,careless.They destroy your mental health.They expose your secrets,so stay away from these people's 

Always be careful:

Be careful to make friends 

Be careful for everything 

Be careful for your mental health

Absorb positivity 

Please tell me in comments which is favorite instruction for you which peace of mind you have plz give me more tips

Thank u so much!