Cheers to You and Your Lover
This very article of our website will deal with the love triangle as viewed through the prism of one of its participant's perception and position in the triangle implying the one who is bound to be abandoned for another one.
If Bryan doesn't know about Ryan, then he enjoys (co-)dating Ann and residing in his blissful land of white lies where Ann bought him a lovely castle in the sand. If Bryan knows about his rival, then, he still is very hopeful regarding the fact that he will win Ann's heart in the long run and Bryan will leave their relationship alone forever and for always.
While the fight for Ann's heart goes on, Bryan has no idea that in the end he will lose. He won't find out about it till Ann eventually brings her guilty verdict of dumped. So far, he enjoys the love-of-his-life's company and scarcely feels that he will lose – because the devious woman manages to make him sure of his uniqueness and her eternal love for him.
Bryan's pain will seem endless and irremovable when the situation finally resolves. He won't be able to finally realize that he's the notorious odd man out who is now all alone and practically got rid of. Bryan will hate Ryan and maybe even will start hating Ann for her having been so good at wrapping him round her little finger. Bryan will get over in time for time is the best healer.
As you can see, a person who is soon to be excluded from a love triangle invariably suffers. In fact, he suffers the most out of other two people for they stay a couple while he is left alone, forgotten and thrown out. Love triangle certainly doesn't contribute to Bryan's happy life which can lead (and leads according to vivid examples from life) to quite unappealing and even horrible consequences scarcely implying happy end.