It can be a certain word or a place or a smell. Whatever trigger it is. I still have not idea of what all happened to me. I know some details but not all. Maybe it is my brains way of protecting me. I don't really think it will help me to know all the details.
Ephesians 6:13

Therefore put on the full armor of God, so that when the day of evil comes, you may be able to stand your ground, and after you have done everything, to stand.

Ephesians 5:25

Husbands, love your wives, just as Christ loved the church and gave himself up for her