I am 30 years old and still looks like a young teen?

I just turned 30 and I am 5ft tall petite. I have a 13 year old daughter who is taller than me. People think we are sisters. When I am around teens they assume I am a teen and treat me as one and it is annoying. I like looking young, but not this young. I dont get respect from people my age. I have to dress up more when I do go out, with tall heals in tight clothes so I may appear older, which is not the kind of attention I want to get. Maybe I have a health condition that I do not know about however, I feel all the aches and pains of being thirty. Women my age and younger push me away or exclude me due to jealousy I suppose or just the unfit age look and I am always asked to show licence at clubs or etc. I get hit on by teens and I hate that, I have to explain I am a adult. For example, I had a kid run up to me at halloween when I was just taking my kids trick a treating,"I was not dressed up, no make up etc. and that's when I get it the most is when Im not dressed up. A kid ran up to me and said "why did you not dress up" lol i know it's funny but is a major problem, I just looked and said I am a 30 year old adult and he was like oh and ran off.. it's frustrating alot when I go to water parks with my kids and I have kids running up to me trying to play with me like a kid and talking to me like a kid and etc.Actually it happens everywhere, unless I make myself look old literally. I get No respect.. How can I deal with this and please understand?