You have put in the hours towards building up your image so that everyone in your life thinks of you as the GREAT one, and the reality is that you may be a little too great for all of these people you're trying to please.
That makes sense because that's how Moon square Uranus works; it finds its way into your psyche so that you can see what's really going on around you and prompts you into action.
Toxic is as toxic does, and that will be your lesson of the day, Capricorn. You have discovered a 'traitor' in your midst, and even though that sounds rather theatrical, it happens.
On April 28, you will end this relationship because you're not about to be anyone's fool.
You have the power of Moon square Uranus behind you, enabling you to shut them down at your will. Stay strong and stand tall, as per usual, Capricorn.