Is my Dad cheating on Mum?

hiya, as a wife and mother, i would say he is seeing some one.but you kids should not get involved in your parents life.its wrong of him texting all the time,more so as you have work it out he is cheating on your mum.i know you want to tell her. she as a right to kn ow.but you have got to let her find out herself.and she will.xx