In this message you read the first word, then skip 4 words and read the fifth word. Keep reading the fifth word to discover the hidden message. You could write a message where you read every fourth word or tenth word. The friend who is receiving the message needs to know which words to read. The biggest problem with this type of message is it can be very difficult to compose, especially if both messages make sense.
Mary, Queen of Scots, used this type of cipher to send messages to her supporters outside her prison. Unfortunately for her, Queen Elizabeth I’s spy agency was able to break the code.
Happiness was my friend and is now found in my imagination.