Yes, by all means tell the girl's parents. You can imagine how this might be if the shoe were on the other
footAthlete's foot
Athlete's foot, tinea pedis
Clubfoot
Clubfoot deformity
Clubfoot repair
Clubfoot repair - series
Diabetes foot care
Diabetic blood circulation in foot
Diabetic foot care
Erythema toxicum on the foot
Foot pain, so to speak. You would want to know what happened.
Now, you've already learned the most important lesson - do not expose your child to material, information, experiences that are over-stimulating and inappropriate.
Relative to dealing with your son, set a
clearClear by design
Clear eyes
Clear eyes acr
Clear eyes clr
Clear-atadine
Clear-atadine children's, simple, direct, non-punitive limit on the sort of behavior in which he engaged.
SimplySimply sleep put, let him know it is not acceptable to touch other people in the manner he did with his cousin, whether the other person is male or female. Exposing one's genital area or buttocks is not permitted, nor is it permitted to permit another person to touch one's genitals or buttocks, and it is not permitted to touch another person that way.
He is old enough now that he should not be bathing with another child, so it would make sense to agree with his inclination. At this age, bathing together is an invitation for inappropriate touching. He'll recover from this fine - let it be a lesson learned.