These are just agents, yes? Not immigration attorneys? Do they help with US-Thai Treaty of Amity type matters as they pertain to business/ltr visas and work permits? Thanks.
If you send her money monthly, you do not "have" a girlfriend. You are "renting" a girlfriend experience.
Think about that long and hard (with your brain) before you go visit her and "the family". And if you need more information, here are about 500+ stories that might feel a bit *familiar* after watching a few of them.