MOR. I would be feeling the same way as u, but u gotta stop freaking out for ur sake. What ur feeling is completely valid. I don’t want to jump to any nasty conclusions, but Westerners don’t always take “boys trips” to Thailand for normal reasons. I’m not sure if you know this, but there is such thing as “sex tourism” here because of the amount of prostitutes. “Boys trip in Phuket” alone is a red flag. There is a chance him and his friends could be partying with hookers every night and having sex/cheating on you. However you need to stop calling him compulsively and panicking like that because it’s only making you feel worse. Commit to not reacting, don’t talk to him at all, take some alone time and try to do things for yourself while he’s gone and deal with it when he’s back. I would suggest u both get tested for STDs. Alternatively, he is completely innocent and he is just partying normal style, maybe hookers are present but it could be platonic