like when Tom is hungry he sees jerry as a hot dog. When you are searching for something every other thing appears that it is the very thing you are searching for.
EDIT:
So as suggested in the comment here is what I want exactly:
I want to give title to this event which happened: On 31st December as I looked into an old message which my friend had sent me, I got surprised as to when he sent me a Happy New Year message, when suddenly I realized that it was written "Happy to Hear"