Not sure if he can really use that extra 15 secs as it's really hard to multitask on thinking and speaking. Even if he's able to, it would be only some % of it, as even a robot will have to do context switching.
with the extra time his emotions will still continue cool, and much of thought is unconscious, and the unconscious is essentially parallel processing, i.e. multitasking. This is how good comedians or poets or Freudian-slippers are able to come up with les mots justes ("just the right words"), the words that do justice on multiple levels.