2.
You're not ready for a commitment.
4.
You don't enjoy spending time with them.
5.
Your pet doesn't trust them.
6.
They don't own up to their mistakes.
7.
You're not attracted to them.
8.
Your sex life's not what it used to be.
13.
They don't support your dreams.
14.
They have annoying habits.
15.
Your in-laws refuse to learn your name.
16.
They're weirdly sensitive about spoilers.
17.
They talk about you behind your back.
18.
There's a good chance they're trying to kill you.
19.
You're equally not fond of them.
20.
They ignore you when they're with their friends.
21.
You don't like their personality.
23.
You want to spend more time with your friends.
24.
There's someone else.
25.
You can't agree on who should sit on the iron throne.
26.
You don't love each other anymore.