Has anyone seen my mind?

I think I have lost it!! :'( My memory is getting worse by the second, sometimes I really think if my head isn't attached to my neck, I'd have lost it as well.

Case #1:
Yesterday afternoon, my dad called me and told him there would be no dinner at home as he and my mom were going out to dinner. I was so busy and my boss was sitting around, I didn't call Gary immediately. Then after work, I went to pick up some photos for my parents, then headed home. When I went into the house, it was empty and I was like "what the...?" Then I remembered I wasn't supposed to be going home for dinner! :S

Case #2:
A couple weeks ago, I got some S'mores figurines for my friend. Since we both o ordered something from the UK, so I was waiting for the parcel to come before sending her everything to save on postage. The parcel from the UK finally arrived and the S'mores figurines were nowhere to be found. I remember putting them away separately from mine, but I couldn't find them anywhere!? The worst was that I didn't even remember whether I had sent them out. She of course has never gotten them...but isn't it scary that I even have doubts about whether I had actually sent them off and they just got lost in the mail. :O

Case #3:
Whenever Gary takes the express bus, I can pick him up at the stop which is only a couple blocks away from the house. But when Gary takes the subway home, which he usually does, he transfers to the bus and in that case, I wouldn't pick him up as the stop is far and out of my way. Anyways, today after work, he told me he was taking the express bus. I asked him if he needed me to pick him up and he said he'd call me later. Later I got home and was talking with my family in the living room. Gary called and asked where I was; I told him I was home. He asked again and I repeated. Then after I hung up (thinking he was going to transfer to the bus), I suddenly remembered he was taking the express bus and he's only blocks away and probably expecting me to pick him up. I totally forgot about that. :'(

So if you have seen my mind, please contact me. I have simply just lost it.