We are naturally skeptical and that is probably to our benefit. We have to process information before deciding what to believe and what to dismiss. Faith and belief are related but not necessarily the same thing. When Jesus’s disciples saw him after the resurrection they had trouble fully believing even though they really wanted to. It is not wrong to admit that we struggle. It is never wrong to confess that we are having trouble and ask God for help, and that includes matters of faith and belief. It is never wrong to ask God for more faith.