The Grace will come back (Blessed Joseph the Hesychast)

Don’t worry if you don’t find Grace in your prayer. It’ll come back.
This is why it withdraws: so that you’ll seek it with greater yearning.

Blessed Joseph the Hesychast

Source: pemptousia.com
http://www.diakonima.gr/2015/09/19/the-grace-will-come-back-blessed-joseph-the-hesychast/