A soul mate, per se, would address you own needs as valid. A soul mate, per se, would give all that up out of affection for you.

What, do you mean, you have given up 'everything' for him? Why did you have to change a thing?

Is it giving up on him, or is it giving up on a dream? A fantasy? An illusion?

Is there any chance to postpone the wedding? Have the two of you, had pre marital couples counseling? Or are his words alone, too convincing to step back?