Baby fever...?

Does anyone else imagine having their future babies in their lap watching cartoons, just holding them and wishing you were in that moment with them? I am to young to be a mom with all the things I still want to accomplish, but when I'm with him everything feels perfect, I look at him and think about our future children and just wish we could all lay in bed watching movies together, building legos, tickling their feet. Do I need serious help or am I not alone?