Congratulations!
The only advice I can give is....
Just when you think you can't cope anymore, with whatever it is that is sending you over the edge, that thing changes, thus giving you a rest for a bit. This roughly equates to around every three weeks. Knowing this doesn't make it any easier but does enable you to keep going through the really though bits.
Oh and take more pictures that you think, they grow up fast!
Lots of love from, Louise, Luke and Me.