@wallachair69,
First loves are, well, lovely. But last loves are what matter.
Your BFF just needs support right now and not a girlfriend. So be supportive. The time to date may or may not happen later.
In the meantime, cast your net wider and date other people. Don't sit around, waiting for her to come around. That way lies madness.
Psst, the people who you date don't have to be the love of your life.