I am currently going through a marriage separation and my husband is disabled with severe uncontrolled epilepsy. I am therefore the primary carer for our 3 year old. My husband has asked that he take our little boy on holiday,for a week, with his own mother. I feel this would not only be disruptive to our child's pre-school routine but also be very unsafe. His mother is over 60 and my husband has several fits a day. Am i able to stop them, and if so, does the same apply when he wants our son to visit him for the weekend at his mothers house?