Share 'Adding a spouse's family to Geni'

I wonder if anyone else has thought about this. I have extensive info on my husband's family, but I don't really know them. I've been thinking about adding them to my Geni tree, and then wondering if I should just start a different tree for his family and keep mine separate. I'm a bit concerned since my family doesn't know them about privacy issues etc. Have you added your spouse's family into yo…