1. Your significant other's (SO) friends start acting distant towards
you. If there is a sudden change in their attitude towards you then
that is a pretty good clue they know something you don't know.
2. Your SO doesn't listen to you. And, when I say doesn't listen you,
I really mean hardly ever listens to you(everyone has days when they
aren't the best listeners). Generally, this becomes clear when you are
trying to remind them of what you said and they have no idea what you
are talking about.
3. Your SO is suddenly busy all of the time. If they truly cared they
would be making time for you!
4. Lies, even small ones. Oftentimes this means they are starting a
web of lies to cover up the one thing the do not want you to know
about.
5. Your SO keeps you waiting. It doesn't even matter in what