Having sex while undergoing a TRUE migraine can burst a blood vessel in the brain but sometimes it may be worth it.

Migraine is a process that is not just the day/days of the headache itself but includes pre and post non painful migraine symptom days that may affect memory or other skills.

As to how migraine can disprupt a life, when a person has two migraines a month that last three to four days each...

20% of that person's active, effective, contiguous, conscious life is lost. Realisticly it can be over 50% of lost life for some.

It is a severe sentence to say the least however the brief creative burst that preceeds the headache is a reward despite the costs.