Is it normal to not believe i'm attractive?

I am quiet because I suffer from depression so I don't talk much, don't joke around much, don't smile. At work, no male customer has ever flirted with me or said I was pretty or even cute. I had about 10 women who have called me anything from adorable to beautiful but not one guy.

Whenever I go somewhere like out to dinner or a food store/clothing store, I don't get flirted with by men. But before I got depression, I smiled more, joked around and talked more/was more open. I did get flirted with a few times a day on average but that has not happened for years now.

I can't sort whether it's how I never smile or if it's just the fact I gained 10 pounds. I feel like my face is really fat, I asked my boyfriend and he always says it's thin, my best friends both tell me my face is really thin. One of my coworkers even said to me that I shouldn't lose weight because my face is really skinny. But I don't believe it, I really don't.

Because of this, I am constantly trying to get things right/try to get people to compliment me so I can feel better about walking around in public instead of feeling uneasy like people think I'm this disgusting looking fat-faced and chubby bodied girl with ugly eyebrows. So I have tried every hair color in the book (natural hair colors only). Tried red, tried dark brown, jet black, blonde. Not one of them changed how people perceived me. Not once did any guy approach me or try and flirt with me. I go online, order all this makeup, try all these techniques to look pretty and none of them seem to work.

My boyfriend's sister is obese and outgoing and has not had one boy ask her out yet. In my younger years, I was asked out about 20 or so times. I dated 10 guys, she has not dated anyone but wants to but no one will ask her out.

I still think she's gorgeous, am in awe of how beautiful she is, how everyone is more beautiful than me. But she is constantly dying her hair and trying different make up too. So I always wonder, is she in the same boat as me? Does she not feel pretty like I don't? Because she once said to me, "I with I looked like you" but I always thought it was just to be polite.

My friends say she's average looking and because she's obese and 6'0 tall, most guys won't go for that. She has good teeth though, perfect teeth, the perfect smile. She has a perfect nose too, perfect eye color, etc. But they keep telling me she has thick eyebrows that are uneven and her nose is bigger than mine and not even. Her face is a lot fatter than mine, her stomach is puffy/arms/legs all puffy. But still, I don't see that. I see her as gorgeous, I think they're lying to me.

Is it normal to feel this way? My boyfriend calls me pretty sometimes but not often. My friends never say I look pretty until I mention his sister/other people that I wish I looked like. I'm 10 pounds overweight, have weird eyebrows, have a huge fat round face with chubby arms and thunder thighs and my bottom teeth are all crooked. So I think, why the hell would anyone think I even look "average"? :/

IIN? Sorry it's long.