It's hard to be loveable when you don't have self-love. You've been working on the outside, but you are ignoring the inside. You've said you don't need a therapist; I say you do. I see many self esteem issues in your posts - things I see occasionally in myself. When I see it in myself, I have to work hard to overcome. You have your picture on your profile - you have a face that lights up when you smile. Work with what you have!

A couple of comments have been a bit harsh, but honestly, I think they're right. It seems that you want a quick answer, but you've even said it yourself - you're going to change your body through hard work and dedication. The same can work for the rest of you. Don't focus on relationships yet - you need to focus on you. Love yourself first and you'll be surprised at who else might love you.

It's also hard to make friends when you don't leave your home. What are your interests? Do you have hobbies? You can find many online interest groups - yes, even if you live in rural Georgia - and start to make friends there. Find out about events that might be going on. I understand transportation might be a problem, but someone in your family must have a vehicle that they can drop you off and pick you up at least once or twice a month. Dip your toes into that water...work on your interactions with just people...and then think about the rest.

As for your stepsister, I suggest steering yourself away from that. There are so many other people out there that are likely more appropriate for you to pursue, but if you focus on her - and she is too young to make any sort of informed decision for a relationship with an older man, let alone her stepbrother - you will miss out on other opportunities when they arise.