I can't tell if my boyfriend and my mom are flirting or its in my head!!! HELP?

So my boyfriend and mom really get along. Today was a bit much. They were talking and didn't include me in convo. My uncle was over and he was helping her put up something and my boyfriend was just staring at her or them. Then she was doing wash and I noticed they kept locking eyes. Also. There was condoms in my draw that me and my boyfriend put for us and I open the draw to get something out of it and he says " omg imagine if ur mom found these". Last incident she was expecting her boo over and yes i still live with her so befor we approached the house to go up my boyfriend say " call ur mom isn't she expecting someone? Make sure she isn't getting busy up there" . I said ew stop! He said what? It's nature everyone does it. Mean while I'm just watching and not saying anything when I go up... You can tell I'm sad a little cus im not smiling or anything. He comes out of no where and says " I'm glad ur mom is happy in this new house, I no u don't like the area but we make the best of it". I was thinking. Why r u so concerned with what my mothers happiness instead of mine. But I haven't said anything via I don't know if I'd look like a crazy girlfriend accusing him of liking my mom !!!
I can't tell if my boyfriend and my mom are flirting or its in my head!!! HELP?
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