my guy had a hr long interview in morocco and received this 221g am lost in all this the uscis received it and wont say why, one tho said they will give me a answer in120 days. my question is what should i do wait?
file a k1 again? marry there after this for them to say no? any advice welcome by this point

When was the interview? What exactly did the 221(g) say? Did it say his petition was being returned to USCIS, or did it say that his case needed further administrative processing? You said USCIS has the petition, so it has already been returned to them?

If the 221(g) said his petition was being returned, this thread will get you started: link It's long, but it will give you some information you need. Contact Chiquita also. She's been through this and can help you with your next steps.

Go here: 221g Facts

Do you have a copy of the 221g? It's very important to know what it says; if it's administrative processing or if the application is being sent back. They are two very different things.