Do past memories dictate present realities?

Why do we remember? Why is it that sometimes we can remember friends from time's past, and have a harder time remembering what we had for lunch a few hours ago? How is it that thinking intently about something, or someone, brings them into reality? Why do we have memories, at all? I ponder these questions in the hopes of providing some type of therapy for myself, and, my friends. There are times when I wish I could forget. Wish certain people, places, and events would escape my thoughts all together instead of plaguing me like a sickness day in, and day out....more