I think it would be very difficult to write sex just for shock value or titillation. The best love scenes evolve naturally from the characters and their unfolding relationships. The most important part of writing a love scene in a romance is making it an integral part of the book's characterization, not a mechanical act that could be cut and pasted into any other romance book. Know the market. Be willing to revise.
Editors know what they and their readers want, for the most part.
Editors are not enemies, but partners in a successful business. If your heart isn't in romance, don't try to write it. It isn't easy to write, or to sell. It isn't an automatic springboard into other types of writing, nor should it be regarded as such. Romance readers are loyal and perceptive and they know when a book is written by someone who doesn't take the work seriously.