Needing to be thankful

I went shopping today, and ended up at a large furniture store... This store made me so ungrateful for the things I have. I really wish I would not have gone. I want to be happy with the things God has blessed me with, yet all I can think about is the things I don't have for my kids. I really need to change my attitude towards material things. Man I know things could be worse yet here I am, ungrateful brat... SO FRUSTRATING... Please God Help me to appreciate the things I have.