Hi Reekster, welcome to the group.
I am so sorry to hear you are going thru this. I can tell you that you are not alone. I have seen this many times and I feel that it may be a form of manipulation to get you to study with the jw's too. I know my sissy used it to bring in several young guys. The idea behind it was she would want to date a guy, but my folks would not allow her to date any non jw's. So she would tell them to see her they had to begin a study. I hope that she can be reasoned with but she is in the love bombing stage right now and will be totally wrapped up in their love. She will be told that leaving you is God's will and she will be rewarded with a more spiritual person for a marriage mate. We are here to support you and her if she wants to ask questions she should feel free. Please be careful......