You're not my mom

Cameron has nightmares...last night while I was getting ready for bed I heard him crying. Here is how the conversation went:

Mom: Cameron are you ok?

Cameron: No, where is my mom?

Mom: I'm right here

Cameron: No, where is my mom?

Mom: I'm your mom

Cameron: You're not my mom...where is she?

Mom: (at this point I don't want to argue with him...but come on I'M YOUR MOM!!!) I'm right here...

Cameron: No, I need her. I'm angry and I need to tell her...where is she???

Mom: (sign of relief) Come on Cameron let's go to bed...

I got him into bed and rocked him back to sleep...very curious what he was so mad about! I asked this morning but of course he looked at me like I was CRAZY!!!!!!