How many children do you have and why?

My plan was to have 2 kids, if 1 boy and 1 girl will be perfect. Nevertheless I have 2 boys ( 1 and 3 yrs old). As long as they are healthy and strong..that utmost importance to me. 2 boys also good as they have each other accompany. 1 will be lonely. If can afford, I dont mind have #3=)