Why did guys tend to like me more when I was MUCH "uglier"?

Anonymous
before you guys go jumping down my throat I'm NOT saying I'm pretty so don't think I am okay? I still find something wrong with me even though I have improved a LOT in my looks. Now here is my question. I use to be pretty big, huge thighs, arms, huge stomach, fat face. I've always been nice, outgoing, humorous, I'm told I should be a comedian and have even considered it, I've never been stuck up or conceited, always been a little down about my looks. well, I had ZERO problem landing a boyfriend. When I did they acted very serious about the relationship and I was even proposed to three times, but said no two times because it was too soon said yes to the third but I dumped him because he tried to kill me lol ANYWAYS, I would always be told how beautiful I am, told I'm sexy and thick (I don't think I was thick, I was fat...i was 5'1 and weighed 223 lbs, that's fat). Guys always asked for my number, etc. I never did my hair, it was frizzy and looked bad and was yellow, I had no skill at putting on makeup so I looked sloppy, wore clothing that looked VERY homely because I was bigger and there were no cute plus size stores around then. still, I was a guy magnet.

let's fast-forward to today. I weigh a LOT less (let's say I'm not fat anymore thank god) I have a nice body (I thought I did but I'm prob wrong), I now do my hair and it is a pretty blond with no trashy yellow in it (I'm a natural blonde), I wear nicer clothing that fits well and makes me look nice (or so I thought), I have mastered makeup and put it on lightly and it looks very natural most of the time (I thought it looks good but I guess not), I now do some modeling, I still have the same views on myself (still have no self esteem) and I still have the same nice fun personality. but, men don't want anything to do with me. it was so hard to even get a boyfriend. before I got a boyfriend guys would look at me but not come near me. if I was nice and outgoing and humorous lie I used to be guys would say I'm a "show -off" or "fake" instead of hilarious and sweet like they use to think. I have a boyfriend now but it seems like it is going no where, I tell him I want to marry him and he keeps making excuses . I feel like I did something wrong. maybe I truly am just an ugly person? why would guys tend to like me more when I was fat and gross , than now? I am still the same sweet girl who always second guesses herself...but men don't see it. what did I do wrong? why did men want the ugly me, and not the new me?
Why did guys tend to like me more when I was MUCH "uglier"?
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