After I went through painful medical procedures and two miscarriages, my husband and I adopted a child.Now with our son at age 7 — with hockey and swimming his favourite activities, and one or both of us always cheering him on — my husband’s decided he wants a divorce.He’s met someone else, younger. She’ll probably want children of her own.I can’t understand how he can turn away from the commitment he made to give this child the happy, stable life he deserves.I feel that…