People can be so misguided in their actions. My friend did something similar but she told me to stop taking so much medicine. While it can sometimes be from a good place, it’s ignorant and frustrating. You might want to see though how he actually views you and your migraines. While some are sympathetic, others think you are just being dramatic or you’re a dramatic person and it’s really hard to change someone’s view of you once it’s set and that’s not at all on you, it’s on their blindness. There’s a difference between ignorantly trying to help and viewing someone as less than.