All hand in hand...
Think of your own experience - anxiety
: subjective feeling of being overwhelmed when not in control.
We gain control by creating routines/patterns (excess=ocd), but we're also quite stubborn and unwilling to accept redirection if not comfortable for us (excess= odd) - "bad attitude" due to anxiety(?).Tourette's:perceived to be neurologic, but anxiety flares it up - all related brain pathways?