At what point during a cold am I no longer contagious?

I am a professional Licensed Massage Therapist (Florida State License MA58730), exceptionally talented, and very confident with my degree in Massage Therapy. With over 16 Years of Experience, also a Massage therapist to many celebrities, wealthy private clients, business people, kind and very nice clients, furthermore worked in excellent Spas and Five Star Hotels in Houston, Texas, Manhattan, New York and Miami Beach, Florida, I also worked as Spa manager in Houston, and worked as on-call massage Therapist for many prestigious hotels, I have many excellent references available. In my studies I earned a bachelor degree at Florida International University (FIU), with Award for Humanitarian, where I took extensive classes in health related subjects who expands my knowledge of the human body, for health benefits, and healing. I earned my Massage Therapy degree at the Lindsey Hopkins Technical Education Center, and I also did continuously further my studies in the medical field in the Nursing profession, and graduated as a Registered Nurse. I have many certifications in different health care fields, including Massage Therapy, you can visit My Certifications page for more info. I believe in living a healthy life, and workout to keep my endurance and strength, also obtained a Personal Training certification I do carry my Massage Therapy strictly professional, please do not confuse my personality and the way I carry myself, it is simply the way I feel, young, positive and healthy. Also with my constant busy schedule I have limited time, therefor I am selective with my clientele, it has to do with your personality and character since my energy has a limit. My services are pretty special, but not overpriced, and my success rate is really high.