Sensless

'A flood of serotonin, has de-syntisized your receptors and to normalize this the brain is compensating by allowing you the using of four of your given senses, at any given time, the missing one constantly switching. So if you can see, smell, taste, and hear you can't feel anything.

'You did exceed the dosage.'

'A drug just has to pass through your system. Trust me, you'll know when it's gone.'