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I find that what gets me isn't necessarily being home alone (even though it might seem like it at first), but rather the discipline and willpower...
I highly recommend 'The Imitation of Christ' by Thomas A. Kempis. That book will help any Catholic live a more rigorous and humble life serving...
Reading the Bible is good. I think there are also books written by Saints and scholars of the church that can help us live the faith.