Untreated hyper- or hypothyroidism can be fatal, so you may want to suggest that he gets it checked just for that reason. Or suggest it to his mother, she seems to have some influence?

If he ever saw a doctor for his heart problems, it should have been checked at that time but sometimes they don't think outside their box.

M 16 yrs, WH62, P54
3 adult blended kids
EA 11/13, BD1 6/14
PA fall 14, BD2 2/15
Piecing 2015, BD3 12/15
Separated 4/16
WH moved OW in 5/16
Divorced 6/15/17