9 years of a story of how Ted met the love of his life, and the mother of his children, only to learn little to nothing about her and have her die without mention of how. Then have Ted just end up with the bar skank known as Robbin.
Barney, the most unattached human being ever, couldn't make it work with Robbin because of her traveling. How is a hopeless romantic like Ted supposed to make it work? Especially after what the mother, and Ted's destiny, was supposed to have meant to him.
Worst series final I have ever seen.