Girls, have you weight with hot yoga?

I can't seem to loose weight! I have thyroid issue but I went to 2 diff. docs for their opinion and both say "its under control with the meds I take" And they don't wanna increase them. I'm so frustrated I eat 1200 calories a day try to exercise 5 days a week including zumba, running, a little bit of yoga and kickboxing at a women's gym.

I don't know what the f*** I'm doing wrong. I was 172 lbs about 2 months ago, then it shifted to 177 lbs and now I'm 174 lb and barely hanging on there. I'm 5 feet 6 1/2.

I have such a hard time attracting guys I want, so I'm making such an effort to loose weight primarily and personally want to attain this goal so I can be healthy too. But the lack of love life on my part sucks so much I feel like I have no control. 22, never dated not even kissed.
Girls, have you weight with hot yoga?
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