, pardon me, just a question. Even she not returnes, she is married with western man, what is the problem if someone get visa and go out of Thailand? Why someone, a thai turist visit other country , they are sure wll come back, and even do , thailand is a jail from where they shouldn't escape? Mine was just a question, don't take it personal.
renew your passport around ( if it's same European Passport) October , then go immigration to transfer visa on new passport. Then 45 days or less , befoe via expires, renew your visa