Sometimes you have to stand and fight. Sometimes running away isn't an option. - Christopher Paolini

The worth is in the act. Your worth halts when you surrender your will to change and experience life. But options are before you; choose one and dedicate yourself to it. The deeds will give you a new hope and purpose.

Arya.' He looked down the silvery river and then back at Arya, and he gripped the hilt of Brisingr. He was so full of emotion, he trembled. He did not want to leave, but he knew he must. 'Stay with me-'
Her gaze darted up. 'I cannot.'
'...stay with me until the first curve in the river.'
She hesitated, then nodded.

Live in the present, remember the past, and fear not the future, for it doesn't exist and never shall. There is only now.