"Jesus said unto him, If thou canst believe, all things are possible to him that believeth. And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief." Mark 9:23,24
Belief isn't a hard thing to do, or have, that is if it wasn't for one "little" thing-- unbelief! It would be easy to believe if we weren't hit by unbelief. Unbelief comes to try to steal our faith. It comes to try to keep us from receiving the promises of God. It is an enemy to our faith, therefore, it has to be dealt with as such.
Unbelief can't be ignored. It can't be overlooked. You have to do something about it. The father in the story above recognized that he had unbelief and he confessed it to Jesus. He didn't try to cover up the fact that it was there. He didn't try to hide it from Jesus. He didn't try to defend the unbelief. He didn't try to pretend that it didn't exist. He didn't let pride get in the way, but readily admitted that it was there.
If there is unbelief in your heart concerning a matter, don't ignore it, don't try to justify it, don't try to act like it doesn't exist- recognize it for what it is, then confess it to the Lord. It is not a "negative confession" to admit it is there- it is the first step to getting rid of it. Once you have confessed it to God, ask Him to "help your unbelief". Then begin to renew your mind and heart with God's word- "So then faith cometh by hearing, and hearing by the word of God." (Romans 10:17)
Jesus didn't scold the man. He didn't turn His back on him. He heard the cry of an "honest heart" and He met him where he was. Jesus hears the cry of your heart as well when you are feeling weak in your faith. He won't turn away from you. He will help you to overcome the unbelief.
Have a great day. Unbelief is an enemy to our faith, and must be dealt with.
For further reading:
Mark 9:20-27; 11:22-24
Matthew 21:21,22; 14:27-31