Ugh, I'm so sorry. I agree with you that the tattoo represents a big red flag..... showing up for the therapy apt would have gone a lot farther in showing his desire for Acceptance over inking it on his arm at this stage. Any sudden, dramatic decisions like that always raise my eyebrows too.
I'm prettttttty sure you're NOT crazy, but IDK you personally or anything.
Don't listen to his quacking & good for you for seeing that it IS a lot of quacking - his sobriety is his & his alone to manage.