I am sorry to hear about this behavior I can understand it must be distressing to you and your daughters. It is important to assess whether he was in the right frame of mind when this behavior occurred. ADHD is usually not the cause for this. Possibly he may have been in low blood glucose (hypoglycemia) or high blood sugar (hyperglycemia) wherein his consciousness and judgment may have been clouded and hence he exhibited this disinhibited act, but there is no definitive explanation for this. Regarding the ADHD he must visit a professional psychiatrist or counselor and gauge how to maintain his focus and attention. With regards to the diabetes you must have a regular follow up with the endocrinologist and see whether his blood sugar has been controlled and whether he has ever had other times of altered judgment. If the behavior is absolutely unrelated to the diabetes, then you have even greater reason to visit a mental health professional to look into this. Please feel free to connect with us anytime for further queries.