Becoming a vampire is not on Esme list, but when she learned that Taylor was a vampire. And that his mom was feeding her with Taylor's blood, she had no choice.
Esme and Taylor's have been friends for long time. But she never had the faintest idea that the man he dreamed of, was not a pure human. But a vampire.
On the other hand Taylor know all along that Esme was his human mate. Growing up with her help much for his feelings for her to get attached. You can call her his first love.
He had always his eyes for her. And for him there's no other woman in the world.
Even when they have to separate world, as he face his reality. Still he continue living their dream, he know and trust that someday they will meet each other again.
He has a lonely heart, cause even if he can, he did not dare
