I sat on the bed. Neither of us said anything. I wasn't slick and sophisticated enough for this. What do you say to boyfriend A when he finds you naked in the bed of boyfriend B? Especially if boyfriend A turned into a monster the night before and ate someone. I bet Miss Manners didn't cover this at all.
When you begin with the premise "I treat everyone equally," you have already blinkered yourself from seeing where you don't, or can't, or shouldn't. There is no way to treat two people equally, because they are each unique, with respective strengths and weaknesses.
In a sane world, a term like "chronic crisis" would be instantly seen by anone as an oxymoron. Nevertheless, that's the state that many of us Western Worlders live in, provoking crisis after crisis so that we can justify our dis-ease rather than addressing that directly.
You'll need courage because polyamorous relationships can be scary. Loving other people without a script is scary. Allowing the people you love to make their own choices without controlling them is scary. The kind of courage we're talking about involves being willing to let go of guarantees - and love and trust your partners anyway.