No Exit my wife didn`t go out discoing, that I`m aware of anyway.
Your comment about the autistic child dancing did help to a degree. I was taught at school that learned knowledge couldn`t be passed on to your offspring and I now suspect that isn`t the case at all.
I feel that dancing and swaying to music is a genetic inheritance from perhaps when people were little more than smart animals but can`t find any site that will enlighten me that my feeling has any basis in fact.
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Responds to stimuli, tries to communicate verbally, follows limited commands, laughs or cries in interaction with loved ones.