so my sister got married 2 years ago with our cousin they now have a 1 year old daughter,i dont know how to deal with them she gets mad at me when i talk to her husband the only reason she said she gets mad is cus shes afraid his gonna cheat on her his my cousin/brother in law i dont know how to tell her that i love her husband cuz his my family not just a brother in law....shes almost 34 and his 23 if that helps in any way