You can have relationships with SP...1000 per cent....I have had numerous relationship over the past number of years and have became friends with then EVEN after they have stopped being SP's....in one instance I have mentored one in the Fashion industry providing business advise and she has succeeded... an other friend and ex-SP pursued a career in social media and web design and as her mentor and business advisor....she now runs a successful social media and web design company in fact she designed my web site and did the social media for a successful condo launch that would awards!!!!
I am current in a friend relationship with a popular SP and even though she see other clients, we discuss her "current" business and I am encouraging her to seek a career in her educated field and will help her try and find such a job in the future...she will continue to be a SP as long as she wants to earn either a living or extra cash once she has a job in her chosen field of work. She will succeed once she focuses.
For most SP's this is a short term "job", make cash, meet interesting people and more on with your life....Many SP's are beautiful, wonderful, hard working, educated ladies including the one I am seeing now.