No, you are not wrong to be concerned. That's normal for friends.
Some people cannot be convinced of something - anything - unless and until they see the downside their friends warned them about manifest itself. "Your girlfriend likes to get around ...", "That'll blow the engine ...", "That gunsmith doesn't know what he's doing ...". All the kind of advice which friends give for free and which the recipients often value and heed in direct proportion to the amount they paid for it.
You told him. You know more about the subject than he does. If he won't listen, it's on him. And he'll be paying the bill when the time comes. Let him reside in his mistake.
Last edited by Dave in Maine; 10/09/13 12:22 PM. Reason: typo
