It's crazy how you can go months or years without talking to someone but they still cross your mind everyday.
Sometimes it happened when you use to be close with someone (either in relationship, or friendship, or relatives) then out of sudden things just don’t work out. You feel like they left you or put you aside. They feel like you left or put them aside, then both of you called it off. No more communication, then you started to realized, what has happened, hen they keep crossing your thought and your mind each day. ~ Sinead Fee
It’s missing someone who passed away and you miss them so much that you think of them at least once a day.
Ignoring someone means you can't be bothered to reply...Forgetting to reply later on when you can means that person didn't cross your mind.
I hope I cross your mind once in a while just so that I won't feel pathetic for thinking of you all the time.