Relax. You need to read through some of the posts about letting go. If you are anxious and worried about what will happen you are unfortunately sending out the wrong vibrations. There are a lot of success stories around to prove this works. Just focus on you and gratitude. If he's there great. If not. You need to happy knowing that the universe had a different plan to show your manifestation. It is hard at first I know but you can do it. LOA is more than a just visualisation. You need you be in a place where what you want is already a reality.
But don't worry you can do it.