1. Your conversations don't make sense to anyone else.
All siblings need good code words so your parents don't know what you're talking about.
2. When you're trying to do a super secret project and he won't leave you alone.
It's not ready yet!
3. The feeling of panic when you both lose your parents in a store.
4. When you completely lose your temper with him.
If you're the little brother this probably didn't go well for you!
5. When your parents are mad at you and you're both trying not to laugh.
Must. Contain. Laughter.
6. When your mom wants you to learn from his mistakes.
And you're determined to make exactly the same mistakes
7. When they're clearly enjoying your struggles.
Standard brother behavior.
8. When they try to set you up with someone.
Most of the time they just want to see you embarrass yourself!
Does your brother annoy you or are you the best of friends?
Tell us in the comments!