He wanted kids , he wanted to be a dad , and if Linzi was pregnant , than that was wonderful . Sure , they 'd only been married for a few months , but they 'd been together for eight years . This was n't something they could n't handle . So with Linzi in the bathroom , Billy was sat at his desk , chin in his hands as he waited .
According to the above context, answer the following question.
How many children may Billy already have while pondering this new pregnancy ?


He has had no other children but looks forward to being a father .