Hey.
I have a DS who is 15 months and my DD is 4 weeks old.
My husband has been on parental leave for the past month - today was his first day back at work... and my first day on my own with the little monkeys!
DS has been acting up a little, looking for extra attention. He cries if he hears even the slightest peep out of his little sister, he ignores whoever is holding the new baby.
Poor little boy! I hope he likes his sister one day, but at the moment he's ignoring her in the hope that she'll go away!