8. When your SO seems totally disinterested in talking to you. You try to start a conversation and they just give you one word/one sentence answers.
9. When he/she no longer bothers to get upset or angry with you. It shows they have checked out and think of you as a stranger.
10. Being with them feels like an obligation, their quirks drive you away from them subconsciously, you’re only trying for the sake of keeping up a social veil of perfection.