tracey sometimes having a little bub to take care of and love and nurture can bring out the best in a person.a parent soon learns that they have to be selfless and comes quite naturally as they see there little baby is so dependant.they certainly have to put themselves down the line and baby comes first.as for your SIL she will hope fully manage fine now that she has something so important to focus on,wow at keeping the secret to themselves for so long,that would take alot of wilpower,your mum is going to be a busy nanna now isnt she.