I think he was referring to the irony of your "grow up" comment!!!
I think if you reread my last posting you will appreciate the grown up approach I took to it and perhaps even learn a thing or two!
I look forward to what will no doubt be a delightfully colourful response!
P.S....Tightslots opinion is only one rule of thought albeit one I actually do agree with. However is that an excuse to rude to your fellow passenger? I think not!