for your baby or child for a while so you can have time to yourself.
work it off. exercise can help you deal with stress-related anger. try swimming, walking, running or yoga. you can put your child in their push chair and go for a walk to let off steam.
ask yourself "is it really worth getting angry about?" is it about what your child has done or is it about feeling stressed?
think it through. are there some things that wind you up more than others? are there ways of avoiding those situations?
try not to bottle things up. it may help to talk it over with a friend or family. or talk 