Jewish Communal Roles (1)

Sometimes a quick exchange communicates more effectively, and more personally, than an article. Sometimes, just seeing that others share our questions can make us feel more connected. Our posted questions and answers are an opportunity to learn from each other. Keep in mind that each questioner’s situation may be unique, in ways that affect the halachah. Even the tone of a question can affect the tone of an answer.
Question
I live in a long time-relationship, having small kids. As me and my partner progress in keeping the mitzvot, we wanted to start keeping the taharas mischpacha too. But my problem is - since we are not married (and we will not marry in a near future d...