My 12 years old son hits, pushes, and teases his 7 years old sister.
When my daughter was born he would constantly disturb me while feeding her and helping her. I tried to involve him in taking care of her, but it did not help. I took him to my pediatrician and she spoke to him and he was fine for few days. As they grew older he started taking her toys and pulling away things while she was engaged in any activity. I tried to take away his privileges and he would show temporary improvement.
At school he behaves very well and his teachers appreciate him. His grades are consistently good and he works hard to excel in academics. My husband is only concerned about his studies and says that all siblings have this type of clashes. When my daughter complains about my son, my husband shouts and threatens him. This does not have any effect and my son says that she provokes him and she should be blamed for his behavior. I am confused and frustrated.