Do not promise not to get upset ever again. For one, you cannot fulfill the promise because getting upset is basically a feeling and we cannot promise to have or not to have a certain feeling: we do not have that degree of control over our feelings. For another, never is too strong of a word

Do not make promises that are patently unrealistic to keep.

Better keep talking to her about this issue. Tell her that you adore her, that you plainly see why these other women adore her, that you are in that sense on the same page with those other women, but that at the same time you feel hurt when they ignore you as if you were a piece of furniture in the room and not a human being.