忘れっぽくなる.
You are ever present to my mind.
she is likely to forget
I forgot all about it before I knew.
I don't remember those crucial things.
Don't forget that. It's important.
That reminds me of something.
I would be happy if you think of me even a little when you look at this.
ああ思い出したぞ。
I never forget it for a moment.