How much do I need to tell Deb?
As mentioned, just first names are sufficient but to speed up your reading, especially the pay per minute lines, you can direct Debs to what area you want her to look at such as Love life, relationships, career.
How does Debs know how I am feeling?
Debs is a highly developed EMPATH, these are often known as Heyoka Empaths: "A Heyoka is a very powerful healer and empath that feels the emotions and energy of others inside their body. The Heyoka is perhaps the most powerful Holy Man or Medicine Man as s/he has the natural ability to help heal physical afflictions, emotional issues, and or simply bad moods in often using humor".