It doesn't matter if my offer is accepted or not, what matters is that it sticks in the memory. Eventually, sooner or later, they will resurface in your memory, but now you will think that you are their author. Agree, it is much more pleasant to implement "your own ideas" than someone else's.
You know, when your sticky notes are regularly ripped off the fridge, the best way to get your message across is to take a nail and scratch it on the fridge itself.