Playing hide and seek with encryption

How do you know we can't read your private emails? There are few ways to make your email secure. Some webmails help secure the paths your email travels. But you can also secure your email itself before you send it. This is called encryption. Your email will be unreadable to anyone except the person with the decoder key. [cannot break encryption] People spying on you will only know you protected your email with encryption. This can be a problem. Encryption hides your information well, but not necessarily you. [Hello! It's ONO. I am writing instead of using email. It's safer]