Make sure Baby Sister is safely in her car seat next to you.
(Ethan will not leave the house until Lily is in her car seat in the car.)
Check on baby when she cries.
Share your favorite toys with her.
"Help" with diaper changes by sharing more toys.
Let her hold a magnet.
Or all your magnets!
Watch TV together.
Jump on the bed together!
Overall just enjoy having a new "toy" to play with!