How ironic... I was going to post a question about something very similar to this, refreshed the forum page, and someone posted which brought this one back up to the top, lol.
My son barks and makes... well, odd noises randomly, but very loudly. I have never really done it except playing pretend as a kiddo, so really don't know how to combat this one for school, lol. I have a feeling it is partially why he gets picked on, and he doesn't really know why he does it either. To me, it appears to be an awkwardness reaction... like, if someone asks a question he doesn't know how to answer, or if he wants to tell me something but not in front of other people... or when overstimulated in class (at least I think that is why).
Have any of you ever done it for these reasons? Have any of you found an "appropriate" substitute or way to cope to replace the noises?
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Sorry about the incredibly long post...
"I enjoyed the meetings, too. It was like having friends." -Luna Lovegood