When prayer is both hard and easy

My wife survived her first bout with cancer and now has to go through a procedure every 3-6 months to remove pre-cancerous lesions from her body. I have two options open to me where my prayers for her are concerned.

When prayer is both hard and easy
My wife survived her first bout with cancer and now has to go through a procedure every 3-6 months to remove pre-cancerous lesions from her body. I have two options open to me where my prayers for her are concerned.