Many people will say that they believe in God but how many of them 'know' God personally? It is a difference in head knowledge versus heart knowledge.
' Job could not see physically through the whirlwind out of which God spoke (38:1; 40:6); he expresses a deeper meaning. He knew God with words, but he now experiences His living presence in his inner being. He meets Him as Savior and friend and, above all, God.'
When we apply The Word directly to our lives then we too can experience God's direction personally. Like Job, we complain of our hardships and the severity of which God allows us to suffer but will it humble us to submit to God as Job did?
You are only truly suffering, if you're doing it without God. I encourage you to get a personal trainer, God, and follow His lead.