Toss them back after you learn what to look for. I have a bunch of stuff from my first few years that needs to be culled out and used. I have had them so long that seeing them gives me a good chuckle at myself.
Don't be impatient with yourself , it takes a while to train the brain !
Just think, the rush you are getting finding the almost somethings is even sweeter when you do find something, and know it !