Since coming to live in Chiang Mai you have headache pain may be one shuffled left, right. Sometimes the very pain or pain until the tears flow, often with harsh sunlight is so stimulating.
Since you have come to Chiang Mai migraine. Pain may be alternate left and right. Sometimes pain or pain not work until I cried. Usually a sunny encouraging.
Since coming to Chiang Mai you have migraine pain may be an alternating left and right. Sometimes painful agent can't work or pain to tears. The sun is a trigger.