Two items assessed perceived partner commitment e.
They tell people you are imagining things or tell you that others are trying to take advantage of you.
They are experts in the use of and will never let you have the last word.
If a power struggle ensues, tell the gaslighter that since the two of you are just going back and forth in the same conversation, that you want to stop the conversation.
You could always ask your friends, but that kernel of doubt leaves you afraid of their response.
The person gaslighting might act hurt and indignant or play the victim when challenged or questioned.
Even when you know they are not telling the truth, they can be very convincing.
There is no good end when arguing with a gas lighter.