Build a bond with boyfriend's mom?

Danielle • Loving God, life, family, and the man of my dreams ❤️
So I love my boyfriend! He is deployed right now and is able to get on Facebook and chat almost everyday. I want to get closer to his mother and build a relationship with her. She lives in Ohio, I'm in California. We have communicated occasionally, and she loves me, lol and she knows her son and I are pretty serious. However, I do think I should communicate with her more often, I just don't really know what to talk about . Any suggestions ?