QUOTE(Haole @ May 1 2008, 06:25 PM)

Much better if he visits you more than time as they most always ask how many times have you've met.
At the same time MANY peeps get their visas having only met one time.
Staying for a month is a plus for you. Some did much shorter.
Obviously it's better with multiple visit to get to know each other better.
My first K1 was denied as we only met once for a short time and didn't have enough evidence of having a bonafide ongoing relationship!
On April 29, my fiancee (in Ecuador) received a "failure to issue the K-1" and orders to for me to personally appear with her for a "marriage interview" later, with more "proof of the validity of the relationship." Although there were other factors (the consul was wearied by a truly bizarre interview just before my fiancee saw him), the concern was that I had spent only 5 or 6 days visiting on each of my THREE visits. The consul wouldn't even look at the copious evidence that my fiancee had brought. The lesson here is that they can and will focus on ANY reason to deny or refuse to immediately issue a K-1.
So, I must visit for a joint interview on June 30 AND provide "proof." I have compiled a log of all saved e-mails that we had sent since Day One (not just printouts of a few selected ones); I've copied my phone records; we will provide ALL photos that we took, not just representative ones; and we are collecting testimonial letters from our families, friends, colleagues, neighbors, and anyone else who has met us or can attest to the validity of the relationship.
This must happen despite the very clear statement on the Consulate's website that "only the applicant will be allowed in the interview." The trip will cost me over $1,000 and days off work, yet of course it is necessary.
Take it from one who is now sadder but wiser: Especially for Latin American K-1 interviews, I very STRONGLY urge that the U.S. fiance(e) be there at the Consulate or Embassy for the FIRST interview, in case the consul wants to call him/her in. Do not risk questions about the validity of the relationship by letting your fiance(e) attend alone, especially if there is any possible opening for the consul to question it!