Spiritual Weary Days

There are times that though I have a problem, and of course, I know that prayers is the best way on solving it, but... but I don't feel the need to pray. I feel like I just want to wait and see what will happen. Que Sera, Sera. Stubborness? Unbelief? Whatever! I believe that God often does His work through prayers, yet sometimes, I tend to approach the problem with "come what may". And that is not how God wants us to approach the problem.
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To the glory of God, I am boastful to say that I have so many answered prayers, some of them were instant and some of them were answered after years of faithful praying. God take pleasure in answering our prayers if it brings glory to His son, Jesus Christ.
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Yes, I know a lot about the power of prayer, but I don't know why I don't feel like praying on this certain "problem" that I am facing right now. I don't know... I really don't know. Or maybe I am weary nowadays because it has been more than three months that I did not do my monthly "whole day prayer and fasting" (because the guest room that I used for that particular purpose has been occupied for more than 3 months, too.) Please pray for me. I need somebody to enlighten me on this. I can accept a rebuke, too, if that would be for my good. Thank you very much in advance.