Analysis of Breakup or Breakthrough

If I must let go theres so much I haven't said & so much you need to know,
How I miss your smile & long to see your glow, How my heart wants you to be near, and how much I wanted to be close to you inspite of my fears,
Just know I'll go, lovingly but reluctantly,  Saddened by unfounded possibilities,
I'll leave if I must, I shared parts of my life with you and gave you my trust,
We think we in sync, get high from dawn to dusk,
If this new beginning ends I'll walk away with more cuts,
While you stay silent and run, I'm here I write and fight,
In the midst of darkness im your light,
Leaving you or giving you up will leave me with tears all night,
So I ask you, what should I do, take your silence as a clue, u tell me what would you do