My son also! Since he was 15mths old, whenever we watch funny videos and lol or have a celebration and clap loudly, his face will panic. He will shout and cry. I also don't know why.
Now he's 5, also same. He will tell us these to quiet us down:
"Why mama?"
"Why u laugh? Cannot laugh. Its not funny."
"Not so loud, I have headache. "
lol. we still don't know why.
JaelynL ST