To feel grateful is one of the most important experiences we need as humans. When we feel it, there is an acceptance of everything in our life.
My life is very exciting now. Nostalgia for what? It's like climbing a staircase. I'm on the top of the staircase, I look behind and see the steps. That's where I was. We're here right now. Tomorrow, we'll be someplace else. So why nostalgia?