TTC Baby #3 and my babies

Hailey • Mommy of 4 beautiful babies.
My first two are so close and if I get a BFP soon then that one would be close in age too. What are the age differences between your first two? My son is 2 born April 30, 2012 and my daughter is 1 born November 19, 2013. So 19 months apart. Am I crazy!?!! Lol I don't want years and years I between them that's why