My husband is 26 years old. I am 29 years of age. Since this June we are having problems regarding him having a mistress. We have exchanged bad words. Since June he has not send us money for my son's expenses. He sends money regularly BEFORE but now we are engaged in an argument, he stopped sending us money, he gives allibis instead. He does not return my call. What legal actions can I take? please help me. I want to file for a petition for child support.