What about it? He got the tattoo and your h made some comments to other people after he found out about it. It's not something I would worry about now because it's water under the bridge. If your son wants him to know about it, he will tell him...otherwise I wouldn't say one word about it to your h at this time.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
