Look at your history with conflict, in your family, in previous relationships, and consider how successful you’ve been at finding resolutions that work for all parties.
Feelings do not go away if you bury them, they cause damage internally which sometimes leaks into destructive behaviour, the kind which can put couples in crisis.
"They say they love me, but if they really knew, who I am... what I've done...."
We have power to act and and to influence another person's journey with mental illness, but we do not have all the power.
In essence, “cheating” is when you breach the boundaries of the relationship which have been agreed upon implicitly or explicitly.
A diagnosis is not an assessment of who you are. It is a description of the symptoms you are experiencing. Some diagnosis have more stigma attached than others and some can help to bring life-changing clarity to an individual, directing them towards needed help.
When we sit down together, and you prepare to speak, I am listening...
Most of us live with some amount of disappointment, anger or sadness related to our relationship with our parents.
You do not need to model perfection, in fact, allowing your child to see you fail, will show them that they do not need to be perfect and that if they do fail, they too, can recover.
The skills to stand up for oneself, to confront others, or to do ones own work are necessary ones and worthwhile developing.