What you say in court should be filed under "none of his business".
My thoughts would be, that you will answer the questions you are asked truthfully.
You have to live with yourself before, during and after this trial. So, move forward and say what you want to, that way, at the end of the day, you can rest your head on your pillow knowing you said what you CHOSE to say.
His lawyer is HIS, not yours. He is HIS lawyer to defend him for his choices, and his actions.
Call the prosecutor, and explain the situation. They will tell you how to handle the interview.
I hope you had a good Mothers Day...you deserve one!