Yes! There have been times that I'll lose something and I get soooo angry. The more that happened, the more I saw a pattern. Lose something, realize it, start the search as my emotions escalates. Find the item (if I am lucky) but still be upset! Why? Because, for me it is a trigger of unhealed emotions/ feelings.
Then I started telling myself that it was okay to lose...whatever. But it was not! At first, those words were just words. But as time went on, I'd tell myself it is okay, don't worry and if you worry, okay. Acceptance of any way I was feeling. Go ahead, feel that way, it is okay, I'd tell myself.
It was hard and took me a while to change my reaction. Even a little. It helped when I accepted my feelings even though I was doubly angry at me. I think (and again I am only speaking for myself) that I had not been able to accept my negative feelings, feelings of being wrong, etc.
Case in point: I couldn't find $20 that I'd put away in a "safe place". I was upset but started talking to myself
reminding myself positive things- it is only 20, not 100 or 200 or even 25! I thought I'd really thrown it out, so I told myself, I accept it. I am not mad at myself... of course I was a bit but it was better than usual.
And guess what? I found my $20 a couple of days later!