Good for you!! And she is so cute.
My advice about your irresponsible friend is. don't pick up her phone call for a bit, then in a few weeks answer and tell her: Sorry, I got tired of you.
Seriously 8 weeks is not that young, but it is better to keep the little for a few more weeks.And how could she get tired of them? I cry when my puppies go to there new homes?
Good luck with the little one.