I'm obsessed with becoming pregnant

Ok, I'm 22 nd I have 5 year old son, I had my baby kinda early. Anyway I have a great boyfriend now nd I want to start our family, we make abt 67,000 + together but we both already have kids. Also we don't live together yet. I'm trying to get throw my brain, that we need to wait but I really freaking want to have a baby nd get married but I kno I'm rushing it, nd I have time nd more money to make b4 we have a baby but I'm really baby crazy. I need help, how do I stay focus and not b so baby crazy..... lol I need help.