Rehoming my first rescue

So yesterday, a friend who went to the rescue with me and rescued Jerry the one eyed pony, and Tennessee the Walker took her horses near her house and asked for Forrest. She will be transporting them to TX within a few weeks, and her brother knows his condition, and wanted him anyways. I was reluctant to let him go, as I really wanted to keep him and provide a good home for him. But I knew that he would cost so much to fix, and that isn't even a 50% chance at his age, and I already have 4 horses that love me and beg for my attention every day. I decided to let him go.

My farrier and vet will be relieved as they know how big my heart is, but care for my well being and told me he would be nothing but added cost, and his recovery isn't even 50 percent. Cowboy, my quarterhorse threw a shoe and was lame the last 3 days. Last night when I came home to three less horses then that morning I soaked his foot and spent time petting him. This morning he was moving around like he was fine and that was a sign that I did the right thing.

I am not saying I won't rescue another horse. But I will look for a project horse with potential and riding ability, one that I can fix up with little cost ( even though cost is a issue with every horse regardless of its condition, that can change in hours )

One chapter closed in my life, what will the next chapter bring?