Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

When he gets upset, it is not your problem. It's his perspective. What you can do is change your response and then it will change the conversation. It may take a few tries to find what works for you and him.
You are not alone. Best wishes.