1.
You have started dreaming about dating / romance with other people.
2.
Butterflies are long gone and there is no more sparkle between you.
3.
Sex life has become monotonous.
4.
You feel that he / she is no longer your best friend.
5.
His habits that once seemed delightful, you no longer like.
6.
It feels like your relationship is missing something all the time.
7.
... and you will make no effort to fix it.
8.
You no longer withdraw from him / her.
9.
The idea that you might not see it again does not seem scary to you.
10.
You do not like the person he / she is made of.
11.
You no longer think the same about long-term relationships as you no longer feel like your man the person you have in your arms.
12.
Fight for useless things.
13.
Your partner refuses to grow while you are far ahead of him.
Source: Bustle