Very rarely does abuse become constant over night. Research has shown that it happens in a cycle where after it happens the perpetuater becomes very remorseful, often promising never to do it again. Only to find sometime down the track it happens again… The cycle may start on a yearly basis or longer but it starts to come to full circle on a more regular basis.
This chart could help to recognise where on the cycle you are. Foreknowledge could help you to avoid the explosion.