In a conversation with @EarthlyAngel003, she wrote:
"I was just talking to someone from this site who, unfortunately, hasn't had great experiences here. She's had to deal with other people sort of forcing their wants onto her and lashing out because she isn't responding in a way that they'd like. It's just one of those things I'm realizing people don't just 'grow' out of, sometimes it take conscious effort and work."
I think what can happen is something like this: for possibly the first time in their life, someone feels loved, cared for and treated amazingly by their cuddler (particularly by a professional). It brings them in touch with a deep part of themselves, and maybe with some hidden pain too -- feeling unloved, fear of being alone, past rejection and so on.
So here is this wonderful person who apparently is willing and able to meet their needs. At this point, some false logic can potentially come along and say things like:
"I need this, therefore you have to do this."
"I feel bad without this, therefore it is wrong for you to refuse."
"If you don't do this, I will feel rejected, which is not OK."
... where "this" might be: to continue cuddling, initiate a romantic relationship or have sex.
But no one else actually owes you anything, no matter how much you feel you need it. The need for touch and affection is legitimate, and there is nothing wrong with feeling that, but it's important to take responsibility for those emotions and not put them on another person in a demanding kind of way.
Boundaries are sometimes defined as "where you end and someone else begins." Believing another person is obligated to make you feel OK is a clear boundary violation -- it is unfair to make your feelings someone else's responsibility.
Cuddling is a precious gift (even when it is paid for), and gifts can't be demanded. The person you cuddle is letting you into their personal space, making themselves vulnerable and freely giving of their time, their trust and their touch. The appropriate response is gratefulness: saying "thank you!" rather than "now that you've met my needs once, you have to do it forever."
(I think the people who read this forum probably already know this stuff, but it can still be good to bring up).