i definitely plan out my conversations. i have scripts and styles of communication that i use with certain people, i keep "files" and refer to them when i expect an encounter.
the scripts vary with the person that i speak with. with people that i don't know i have a default script; which is mostly awkward, sometimes twitchy, and a little stuttery...
i tend to weird people out as i flip-flop between maintaining eye contact (*urgh), talking in tangents, distinct expressiveness, blank silence, and staring away
having met me, syzygyish and mysassyself will agree no doubt! hehehe 
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"see without looking, hear without listening, breathe without asking" - W.H Auden