If by losing the spirit of prayer, you mean losing the heavenly sensations of deep devotion, I am afraid that does not matter a scrap.

The direction and constancy of the will is what really matters, & intellect & feeling are only important in so far as they contribute to that.

We mostly spend those lives conjugating three verbs: to Want, to Have, and to Do.

God is acting on your soul all the time, whether you have spiritual sensations or not.

Love is creative. It does not flow along the easy paths, spending itself in the attractive. It cuts new channels, goes where it is needed.

Adoration is caring for God above all else.

If we ask of the saints how they achieved spiritual effectiveness, they are only able to reply that, insofar as they did it themselves, they did it by love and prayer.