Her present boyfriend? is not working with your husband's colleagues? a few months ago back to Thailand? do you know for a long time? or her return to Thailand only after know?
Her current boyfriend? Colleagues not to work with your husband? A few months ago to go back to Thailand? Do you know for a long time? Or go back to Thailand after she know?
Is her boyfriend right now? Is it a colleague who works with your husband? Back to Thailand a few months ago? You know for a long time? Or did she just know when she returned to Thailand?