It's my bed, don't touch my pillows!

As a mom I am constantly sharing things. My drinks when I come home from work are pried from my hands and drank, my food on my plate always tastes better even though they have the same thing, my bedroom is a come and go spot and any kind of candy I may be eating. There is one thing in my life that I would like to stop sharing with everyone in my home. My BED! I co slept forever. This isn't about kids sleeping in my bed, I don't mind that. But when these kids eat in my bed there are crumbs EVERYWHERE! I know I know, tell them no food in there. I have tried but dad let's them do what they want so I'm constantly sweeping food out of my bed. Which is what I've just done. If it's not food in my bed then someone has stolen one of my expensive super comfy pillows. I don't get much rest but when I feel like crying because someone is sleeping on my pillow, there's a problem. I just want everyone to follow the rules. One thing I want is my bed to be comfy and to have MY pillows on the bed, accessible to me only. Tired of always sharing.