I have a question

My boyfriend and I have been together for 2.5 years and a few weeks ago he got a letter in the mail form the attorney general ( child support) I asked him about the letter and it's some girl trying to get child support from him for a child born in 2017 he says it's no hog deal he doesnt think the child is his.... he said he went to the court date and the girl didnt even show and he told me to stop asking questions about it becasue it's not my business well today while I was minding my business cleaning out the closet I find 2 papers where he was served from the attorney general to attend another court date I knew nothing about him being served or the new court date. My question is do you think it's my business should I ask him about it or just leave it alone