Did losing weight really help me at all?

Anonymous
I've always been told I was cute, and until junior year of high school, this was the case. I got hurt and couldn't play sports so I gained weight (weed didn't help my case either), so I was definitely a bit overweight. I had tried to lose it all before college to no avail, so I went into freshman year pretty chubby. I made friends with a ton of girls (probably because I was cute, chubby, and easy to talk to so I didn't pose a threat) but never got sexually involved with any of them (excluding a girl way out of my league that I dated for a little while). When I went home this summer, I completely transformed my body by losing all my fat and gaining a good amount of muscle. Unfortunately, when I go back to school, almost every girl commented on how great I looked, but none seemed to take it to the next level by showing an interest in me. After talking with one of my girl friends, she presented the theory that they wouldn't make any moves on me or respond to my advances because they would always be remembered as the girl that waited for me to get hot before doing anything with me. Is that a possibility?

My question is, did it really matter that I lost weight? Did I leave too lasting of a first impression as the cute chubby kid for them to take me seriously?
Updates
+1 y
I'm a very confident person without being too much so and appearing cocky, otherwise I would not have been with the other girl who was way out of my league. Also I was always the class clown and have a great sense of humor. I think I've been friend-zoned.
Updates
+1 y
Also, assuming that I have been friend-zoned, how do I keep from making the same mistakes I did when approaching women? Should I act like an asshole or still do my thing by being funny/witty? I have the looks, now I need a game plan.
Did losing weight really help me at all?
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