Kindly point out to what I said that was childish, or self-aggrandizing. I'm sure you'll have no trouble finding the exact word - or phrase - that implies childishness.
Gee. Making assertions you can’t back up with facts is precisely the sort of thing that a child does, isn’t it?
Maybe I’m rushing you. I posted a whole 124 words before your “self-aggrandizing child” assertion, so you may need another day or two to demonstrate that you weren’t just popping off. Feel free to take all the time you need.
Or maybe the best thing at this point would be to just fold up your tent and move on. Your call, of course.