Think of a person in your life that you're really grateful for. It could be:
a friend
a family member
a teacher
any person in your life you appreciate
Step two
Ask yourself what it is about them that you appreciate:
Maybe they make you laugh
Maybe you can trust them to look out for you
Maybe they help you in some way
Step three
Use your imagination to bring this person to your mind:
imagine their face
picture the look in their eyes or the sound of their voice
think about the different things this person brings to your life
The next time you see this person, maybe you could tell them that you appreciate them. Every time you say "thank you" even if it's not out loud, you are growing your gratitude and appreciation.