Thankyou for your detailed replies everybody. Clearly a lot of thought has gone into what you are saying and I appreciate that.
Firstly, can I make clear that I don't condone prostitution. Perhaps I didn't phrase myself that well.
I have become stuck in something of a rut over the years to the point where I have more of an existence than a life.
I don't have any friends beyond one or two casual work acquaintances. Popular culture, e.g. television, films, sport and modern music are all completely off the radar for me. Genuinely I hardly watch TV and I have no interest at all in any sport or cinema. No hobbies either to speak of. Occasionally I go swimming or walking when the weather is nice. I have a very nice pub and a new coffee shop just a few minutes from my front door. I almost always go out alone though; I suppose this is what I have become accustomed to and what I prefer. I can be entirely self-centred in my leisure time, although not in a nasty way.
My wardrobe is extremely basic, casual and simple. I dress inexpensively and comfortably. No fancy brogues, pricey jeans and shirts for me. Just t-shirts, jumpers, sweatshirts and cheap but decent quality trainers. I do a manual, largely outdoor, job so our uniform and boots are supplied. BTW there are only two women in our workforce, one of whom works on the opposite shift, the other is taken and not a particularly nice person !
Something I do take special care of is personal appearance. Whilst I don't care for smart clothes generally, what I do wear is always clean and in good condition. I shower or bath every day, shave every day and shampoo every day. I can't abide dirty hair, stubble, BO etc.
Apparently I am capable of making people laugh, though I admit a frown is my default expression. A young woman I used to work with until recently (of whom I was particularly fond) often remarked on this. I miss her hugely
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If I give the impression I'm too focused on DTD then I can understand why that might be but I promise it's not the case. I certainly don't consider any woman I talk to as an automatic potential screw. But I admit I do struggle to establish a rapport with women generally and without this basis I will likewise struggle to progress to successive stages.