Love can be nurtured only if both parties
are willing, but in this case here, it's one hand clapping
situation. If Love is not about the sheer willingness to plough the
field of your relationship, then what could it be? Waiting for it
to decompose? I am not even talking about YOUR side of the story,
about the length you went to work on the relationship... I am
referring to her nonchalant attitude, which comes from the result
of having a non-existence love for you... now.
You seemed to have this one way wood-like thinking, that things
will forever remain the state it was, despite the inclusion of time
factor. This is a form of naive thoughts that is probably one of
the influences that kept you emotionally bounded by her.
You mean nothing will change in life? 
Welcome to the real world - the only constant thing in
life is changes itself.
So what if she did mentioned that you are the one for her... how
much she loves you... blar blar blar... yes, probably in the past,
it could be. But now, it isn't and will never be anymore. She is in
a state of confusion so you actually 'defended' her in that way to
justify a patch? In reality, you are the one that is confused and
doesn't want to let her go.
It's not about Love, its about yourself. You keep talking about
your genuine love and want her to think about the past... YOU DON'T
GET IT DO YOU? You LIVED in your past, while she is walking into
the future. She
DOESN'T WANT YOUR LOVE even if yours is genuine or what's not -
because it is something that she doesn't
want.
An Analogy:
I can sell you a wallet at $300 and tell you how limited edition,
good quality, durable and well branded this wallet is... but if you
fringin` don't need a wallet, no matter how I persuade you, you
wouldn't part your cash. You may probably buy if I drop the price
to about $10 dollars, but in your heart, despite being genuine
limited... good quality... durable or well branded this wallet
is... you will NOT appreciate it... as much as those you truly
desire. Even if you drop the wallet into a murky drain, your
cognitive dissonance will probably be minimal or zero.
'Oh well, its only 10 dollars...'
It is like your Love... worthless in her eyes, with
you trying SO hard to give her some weak reason/s to accept this
relationship again. Needs cannot be made artificially, it must be
from within. (I cannot make you go hungry if you are full to the
max).
You never wanted to be an irritant? BUT YOU HAVE BECOME NOW! Screw
whether you have that intention or not... the fact is... you are!
YOU DON'T UNDERSTAND, DO YOU? You don't even understand such simple
thoughts, I doubt you understand anything about her. And I am quite
sure you don't even know anything about her inner realm.
If you understand what is Love, you would have let her go. If you
think that your attitude/behaviour is Love, you have SO much more
to learn and all that you have learn in your relationship and those
useless books you have read are basically nothing.
P.S: I scorn at people telling me about how faithful it is to wait
for someone OR justify WAITING as a form of faithfulness. This is
complete rubbish and delusional way to measure faithfulness. The
truth is: it is packaged through this beautiful word to make
foolishness appear noble. WORST, when you have a few people
gathering together, saying, 'Hey, I also leh...' and start this
buddy-buddy-who-wait-the-longest-must-be-the-most-faithful.
These people have disgrace and cheapen the name of Love when they
have placed those scenario as true love... beside those true,
fulfilling, content, mutually love and loved, passionate, powerful
relationships. In MCsquare's tone: you are nowhere near it.
You CAN only be faithful, if you are in a relationship, that is to
say, to practice monogamy, both physical and emotional. If you are
not, you are merely a sad man/woman dwelling in self pity. There is
so much 'I' in your post and you don't even bother about what is
she thinking or what she truly wants. She has already made known to
you now.... YOU
are NOT what she wants... then grow up and snap out
of it... before your value falls below ten dollars. 
Cheers