Should I be disgusted with myself?

I just found out some devastating news. My boyfriend is about 100lbs lighter than I am. He told me his weight last night and it absolutely crushed me. Girls are supposed to be smaller than their boyfriends not bigger.

I feel so fat knowing that and all I want to do is starve myself skinny. I have about 155lbs to lose to be at a weight that would be significantly smaller than my boyfriend.

I've lost 31lbs so far but I obviously have a long way to go before I can say I'm at a healthy weight. I just feel so disgusted with myself and don't understand how he could be with me.
Should I be disgusted with myself?
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