New Diorama theatre, LondonAma wants a baby before her 30th birthday in this unstructured play from Jessica Hagan that doesn't know if it is serious or trying to make us laugh I'm all up for surprises, but it takes at least 40 minutes before the crux of this new play by Jessica Hagan is revealed. After a bad breakup with her partner of eight years, and with rising envy of her little sister's happy relationship with h…