1. When Jace bumped right into her and didn't apologize!
Because brothers don't usually waste manners on their sisters.
2. When Jace protected Clary and Simon from the Circle guy!
Because brothers look out for their sisters.
3. When Jace made fun of Clary's friend!
Classic big brother move.
4. When Clary and Jace worked together as a team!
Siblings united can do literally anything.
5. When Jace didn't like seeing Clary hugging a boy!
He's just worried about his sister getting hurt... emotionally!
6. And when he defended her honor!
Step off, Vampire man!
7. When Jace casually killed another Circle guy coming after Clary!
You always look out for your family. And, like he said, "Anytime"!
8. When Clary killed the memory demon to save Jace!
She lost her chance at recovering those memories because family comes first.
9. When Clary was frustrated with Jace for crashing Luke's car!
He's not even sorry. #ClassicBrother
10. When Clary slapped Jace across the face!
Anyone with siblings knows that sometimes words just aren't enough.
11. When Clary picked up their grandma's handbag but Jace introduced her to his seraph blade!
OK so technically it was a Demon. But still pretty rude, Jace.
12. When Jace had no time for Clary's ridiculous questions!
Also, big brothers love getting the chance to show off how much stronger they are than you.
13. When Clary pretended to agree with Jace but it was a trick!
OK, so it was another Demon. But he still should have known Clary wouldn't agree with him that easily!
14. When Clary and Jace were upset that Valentine was leaving them!
15. When Jace went through a magic portal and Clary was an emotional wreck!
Siblings can be annoying, but we still don't want them to join an evil supernatural gang!