When to let go?

I've held on
since years that have gone
never thought of leaving
these oh so stong feelings

I loved you with the thought
that together we'll give it a shot
you left me with nothing
but lots of sighs and huffing

I think of you for hours together
I think of you in any kinda weather
I think of you whether i'm happy or sad
I think of you when I'm cool or mad

I dream of you at nights so cold
of you and me together getting old
I wake up with a smile on my lips
come back to reality with certain bad trips

I gave you my heart I gave you my soul
I keep you safe in my eyes, guarded by my kohl
There's still a hope that you'll come back
you said I'm Rose but hey you're not Jack

Day after day my love getting deep
what's the use? every night that I weep
they say this is the ocean in which i'll never swim
I say I will! I'm madly in love with him

friends have lost all hope
they say there's no scope
my heart in the bin I throw
so tell me when's the time to let go?