How do Christians discern genuine spiritual experiences from hallucinations or other mundane psychological phenomena?

When believers appeal to their private spiritual experiences to argue for their faith, skeptics typically respond by dismissing their stories entirely, conjecturing that these are more likely cases of hallucinations, some form of mental illness, or just mundane feelings or emotions that are being incorrectly interpreted as spiritual experiences. How do Christians make sure this is not the case? How do Christians discern genuine spiritual experiences from mundane hallucinations, emotions or other psychological phenomena with natural explanations? ____ Related: https://christianity.stackexchange.com/q/86467/50422