i want another baby

Tia

I had my son three months ago I also have a two year old but I just want another baby, I worked out my son will be 1 year if I had another, that was the age my daughter was when I found out and now she almost two. am I crazy, why am I thinking this and wanting it so bad :( what do I do :( I'm financially capable and have a great support system, am I crazy if it happened