What you're doing is using secular superstition to give meaning to some random happening. The notion of "good/bad luck" by some obscure event (black cats, breaking mirror, etc) is superstition with no spiritual, scientific or biblical basis.
I find we notice things more once we put an emphasis on it. For example I dated a woman from Illinois once, not far from Chicago.
It seemed everywhere I looked I saw Illinois or Chicago. To me it felt like a sudden onslaught of mentions of there areas.
What actually happened is I was simply more aware of them so when they were mentioned I actually noticed, where as I previously I had no reason for it to stand out.
Anything we place an emphasis on will standout more when it comes up. That doesn't mean its suddenly more common, but rather we never had a reason to notice before.
Given the things you're dealing with I'd say you have a higher tendency to fall into such mental traps.
If you're going to bypass logic and insist there's some magic meaning to this then there's this.
1 Kings 17:2-16 New International Version (NIV)
Elijah Fed by Ravens
2 Then the word of the Lord came to Elijah: 3 “Leave here, turn eastward and hide in the Kerith Ravine, east of the Jordan. 4 You will drink from the brook, and I have directed the ravens to supply you with food there.”
5 So he did what the Lord had told him. He went to the Kerith Ravine, east of the Jordan, and stayed there. 6 The ravens brought him bread and meat in the morning and bread and meat in the evening, and he drank from the brook.