2 practitioners have told me it is best to forget the spell after casting. They said something like the spell loses impact if you don?t forget about it.
I also found this online: "How many times have you cast a spell and then kept it in your thoughts, wondering if and when it will work? Once the spell is cast, the circle has been taken down, you have finished your notes in your journal on the subject and marked on your calendar the 30th day, the first thing you should do....No The Very First Thing You Should Do....is Forget It. Yes I mean to put it out of your head, move on to the next thought, task, or whatever. But You Really Have To Put It Out Of Your Head. I can not stress this enough as I see people making the same mistakes over and over. If you do not then you are creating a never ending cosmic loop.
When you cast your spell you sent out your desires, energized with your emotions, thoughts, desires and hopes. Give them a chance to fly free on the winds of change to the Enchanted Halls Of The Goddesses and Gods. By thinking about your spell after casting it, you are drawing the energy of that spell back to you. You then become the anchor holding it back. The energy of the spell shoots out from you, gets so far - maybe a mile or so - then loops back to when you wonder how long it will take. Thus a never ending cosmic loop has been created by you, keeping your spell from working. When you do this you can cast the spell continuously for as long as you want, but it will not work, as you are not allowing it to fly free in the cosmos and work."