We started our second adoption when our first daughter was only 14 months old (home at 4.5 months). Our girls are 15 months apart in age......DD#2 came home at 8 months old. When we started our first adoption we had NO idea that we would be starting another adoption so soon.
There are days when I love that the girls are so close in age...then there are days when I don't think the same thing
. Like all sibling they have their good times being together and they (as my 3 year old says) "need their space".
good luck with your next journey.