Answer:
What is it that you ought to keep after you have given it to someone else?
What calls for help, when written in capital letters, is the same forwards, backwards and upside down?
I am someone you don't know. Who am i?
Sends paper without using the post office.
People in love are often bound to this.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?