Originally Posted by
MSPeconomist
I'd carry a written invitation from his family that makes clear that you will stay with the family.
Do you have a job? Are you a student? If so, carry some documentation (regular wage information and any written vacation time approval, a business card, etc. for a job, and a transcript and list of current courses or course registration for next semester if you're a student) as this could be viewed as evidence that you plan to return to Australia.
Boy friend sounds too close to marriage ! ? ADD to above....
Say you are visiting at the family's invitation. Spend time with them and visit some sights ( prepare to throw out a couple of local tourist sited, maybe Las Vegas if budget permits etc ?
Too too glib and well prepared may raise suspicions .....