It's best if you work with your friends before sending a code. You can discuss which methods you will use and how they can be decoded, before it becomes necessary to send the code.
If she truly is a mean person, your crush will eventually realize this for himself. Avoid interfering in their relationship and just focus on being a good friend to him.
I hope you're joking. You should never boil an animal alive. That is torture. The only exception is some types of seafood, which is, as far as we know, less...
Limit how often you wash your hair since washing your hair every day can dry it out. Avoid using heat styling tools regularly since heat can also damage your hair....