That's it! Blowing a balloon somehow a compartment of my cheek I never knew existed inflates.
( ,
Tue 11 Jan 2011, 11:32,
archived)
I went to see my doctor about it and his advice was....
"Don't blow up balloons"
( ,
Tue 11 Jan 2011, 11:33,
archived)
Settle on it being something rather usual.
It seems to have disappeared for me after a few years.
( ,
Tue 11 Jan 2011, 11:37,
archived)