So here's Kristy Love, from Atlanta, Georgia.
Some men want her to smother them with her boobs, while others want to be whacked on the head with them.
Kristy couldn't get a job in a health spa, because they thought she was too big.
She told Barcroft Media: "When I finished massage school, no one wanted to hire me. I kept getting asked if I’d be able to stand on my feet all day. People assumed my size would be a disadvantage. No one ever called me back."
She gave massages at home. One day a customer asked her if she was going to keep her top on.
She said: "At first I was indignant and said I didn’t do that kind of thing. I was ashamed of my body because I was so big. But when I realised there might be something in breast massages I put an advert in the local newspaper and the phone began ringing off the hook."
Kristy struggled with her insecurities about her body at first.
She said: "At first it was difficult to get over my body issues and I would only give massages with the lights off. But the more compliments I got from my clients, the more my confidence was boosted. It has really helped me get over my low self- esteem."
Aged 9, Kristy was a B cup. Her oldest sister, Denise, 51, was also a size 52NN until she had them reduced to an H cup.
Her strict Jehovah’s Witness upbringing, combined with her body shape, made life difficult. She was married to a Jehovah’s Witness for six years before divorcing, and had to dress as conservatively as possible, using high-necked and baggy clothes to hide her breasts. Her breasts made her back ache, and for a while she cursed them – but now she says she wouldn't dream of reducing them.
Kristy's weight has increased in the last two years, and she says business is booming as a result.
She told Barcroft Media: "I have to keep an eye out when I’m squashing someone. I look at their feet and their fingers to make sure there is still movement there and they’re still breathing.”
As well as her squishing service, she also offers body gliding – where she covers herself in oil and slides over her customers.
However, her doctor has told her she needs to slim down.
She was prescribed diet pills, but she threw them away. She said: "My weight isn’t an issue at the moment, but the doctor was concerned that it might be in the future. He said I was at risk of developing high blood pressure, diabetes, or heart disease. But that doesn’t run in my family so it doesn’t bother me. I could be hit by a truck; I can’t keep worrying about those things that could happen in the future. I just live each day as it comes.”
She has also received a lot of disapproval from her family.
She said: “They’re totally against it. Obviously it goes against their moral code; they don’t understand it. Also, because I’m the biggest in the family, I embarrass them. But no matter how many times they call me ‘thunder thighs,’ I’ll never be ashamed of my body.”