Problem? Who doesn't have problems? Navigate, you say? How do I navigate this nonsense we call life? For starters, how about you get a relationship going with the one true God and Jesus Christ. Then go from there. In this book, Mark gives example after example of reaching out to God and Jesus Christ to help him and other people navigate this, at times, stressful life.
The one true God put a lot into each and every one of us, and it seems as though from Mark's interactions with people in life, not enough people know this. This book was written with the hope of informing how amazing God made us and that God and Jesus Christ are a mere thought away. All you need to do is choose to have a relationship with them. You do this by simply choosing to spend time with them. You don't have to be sitting in church endlessly for that. With the time you choose to spend with them, you will become stronger.
In addition, why limit one's capabilities to just our fleshy abilities? The forces of the dark want that for you because, well, they want to keep you in the dark. God, on the other hand, wants to see you grow, and he will help you with that. You just need to get that team effort mindset going, and you'll be off and running.
To grow in wisdom, one needs to humble themselves first. The one true God is the teacher of all teachers; we, on the other hand, are not.