The enactment of laws, even the approval of committee rules, rarely proceeds without some level of discussion if not outright contention. Opinions get expressed, arms get twisted, voices get raised. It’s not unusual for parties privy to the discussion to introduce alternative wordings or entire legislative amendments to a matter that will eventually be put to a vote.
What is stress? Let’s see: How about police or military personnel finding themselves faced with difficult shoot/no-shoot decisions. To be sure, the possibility of getting shot is definitely a cause of stress, and the symptoms of stress in those situations are very clear. Time horizons contract and the immediacy of the situation can overwhelm all else; the fight or flight impulse can take over, sometimes with disastrous effects.