I have a three year old little girl. Recently I would say in the last 4 weeks she has become obsessed with keeping everything & not allowing me to throw anything away. This includes food wrappers, food boxes, packaging from toys. She will scream and cry and demand it is kept in her toy room & not throw away. If something is thrown away she becomes hysterical. She has also started to collect things off of the floor outside whenever we go out, items like sticks, stones, leaves & feathers. It’s to the point that she will scream and cry if the wind blows something along the path and she wants to grab it, she will collect handfuls upon handfuls of these things, refuse to walk until she collects them & if I try to stop her as we need to walk to get to where we are going she becomes hysterical. I’m actually starting to worry about her as her reactions around it are so extreme. Any insights? Thanks