Welcome to the forum @Triciamissy. I'm glad you found us and found the guidance in this thread to be helpful. CBT taught me a a few breathing techniques like 3 seconds breathe in hold for a second and breathe out for 3 more. If I remember to repeat if for 3 or 4 minutes it usually helps to calm me after an anxiety attack.I think I have been approaching things in the wrong way. I get insistent about his changing underwear and end up getting confrontational. For the first time the other day I had a panic attack over it.
Keep posting and reading, you will find more support here from others who know how you feel.