Also, you may want an application to save texts, from your h, showing anything that displays alienation of affections to you. If that's a method, you've used to communicate. All those, sorry honey, too busy at the office.
The free app, is called SMS Backup+. I learned this one, since phones cannot go into a courthouse. Thing is, it won't download, straight to your phone. Must find it, online, connect phone to computer and voila. Then, send to a google account, and then you can print, it's all time/stamped, which the time/stamps are very, very important evidence.