Questions of Doubt?

the situation and that we need to let God handle things His way because He knows what is best.

We are told to believe not doubt, to not allow doubt into our hearts (Mk. 11:23) the idea in the teachings of Jesus is focus on faith not doubt. Doubt will rob you of your faith if you give it place in your life and in your heart. Doubt will destroy your faith if you allow it to take root in your heart and control your life.
Denis Haack has this to say about the questions of doubt:
Just about everything about doubt is unsettling. It’s unsettling to doubt, especially if the stakes are high and if we find ourselves doubting when everyone else seems content. It’s unsettling to discover that sometimes our very best reasoning isn’t sufficient to resolve our doubts, or that the search for answers simply increases our uncertainty. It’s unsettling to meet Christians who never seem to doubt, and who are unsettled instead by the fact we doubt things they consider settled. And it’s unsettling when non-Christian friends hesitate to believe, and raise an endless stream of doubts instead. Unfortunately the church speaks only rarely about doubt, and often in terms that cause doubters to hide their doubts rather than resolve them. “Christianity places a premium on the absolute truthfulness and trustworthiness of God, so understanding doubt is extremely important to a Christian,” Os Guinness writes. “Of course, faith is much more than the absence of doubt, but to understand doubt is to have a key to a quiet heart and a quiet mind. Anyone who believes anything will automatically know something about doubt. But the person who knows why he believes is also in a position to discover why he doubts. The Christian should be such a person.” Without doubt, doubt and its relationship to faith, knowledge, and unbelief is worth some careful reflection by the discerning Christian. Understanding doubt is important not only for our own faith, but also if we expect to help others come to faith and resolve their doubts biblically.
T.S. - So let’s explore this subject of doubt and let’s allow the Holy Spirit to speak to us about how best to manage these questions and indecisions in life. Let’s look at a few Scripture texts and see what the Bible does about doubt.
Scripture Texts:
Mark 9:20-27: 17A man in the crowd answered, “Teacher, I brought you my son, who is possessed by a spirit that has robbed him of speech. 18Whenever it seizes him, it throws him to the ground. He foams at the mouth, gnashes his teeth and becomes rigid. I asked your disciples to drive out the spirit, but they could not.”
19“O unbelieving generation,” Jesus replied, “how long shall I stay with you? How long shall I put up with you? Bring the boy to me.”
20So they brought him. When the spirit saw Jesus, it immediately threw the boy into a convulsion. He fell to the ground and rolled around, foaming at the mouth.
21Jesus asked the boy’s father, “How long has he been like this?”
“From childhood,” he answered. 22“It has often thrown him into fire or water to kill him. But if you can do anything, take pity on us and help us.”
23“‘If you can’?” said Jesus. “Everything is possible for him who believes.”
24Immediately the boy’s father exclaimed, “I do believe; help me overcome my unbelief!”
25When Jesus saw that a crowd was running to the scene, he rebuked the evil spirit. “You deaf and mute spirit,