Question

Letter to younger brother telling him the importance of having a hobby

Answer 1

hey I am giving few lines which I can write in subject part of informal letter

subject-

A hobby is something that you can frequently enjoy with other people. It increases your confidence and self-esteem. Any activity that you can excel in is an opportunity for you to build your confidence and develop pride in your accomplishments. Hobbies help reduce or eradicate boredom.

after that u can use salutations