I know EXACTLY what you are talking about. Like that song "Dont stand so close to me" These things are all natural, primitive carnal knowledge, that we dont know how to attach the right words too, to place into action, for fear of offence. Sometimes talk with the RIGHT person can be so stimulating but speaking for myself I fight it off. Recently there was the most astonishing woman I have met in my life, talk about tongue tied and twisted, shaken and stirred, I could barely breath, think or even function. Such beauty to my eyes, I could never touch her unless it was in her heart to do so. Baffled me, at this stage in my life, Im still working on getting over it. Totally stricken!!!