That's probably true, but when I read your description of how you felt, I noticed some similarities to how I felt.

The idea of food being contaminated seems to be common. I remember going to the grocery store and not buying anything, because I wasn't sure which items had come from farms and food processing plants that were controlled by "them". I stopped drinking coffee, because I thought they had come into my apartment and done something to my coffee. Actually just a couple of weeks ago, I became mildly delusional about some food I bought the day before and then decided had been magically contaminated. (I went to sleep, and the next day I was able to eat the food reluctantly.) That reminds me of what you said about grocery shopping at distant stores, etc.

What seems unique about your delusions, is that you were happy and hopeful in spite of the fact that some of your ideas were persecution delusions. When I am delusional, I feel shaky, weak, hopeless, and want to curl up in a ball LOL. Probably the difference is that you were manic along with being delusional?