Need Help! I'm losing my marriage!

I've been best friends with my husband for 5years. We got married July 7 after 4months of officially being together. There was a lot of family drama that surrounded us for getting married so fast! He is feeling pressured and overwhelmed and brought up the word divorce 2days ago. He says we need to get rid of the marriage to lose the pressure on us and do it right if we choose to get married again. He still wants to continue our relationship but feels the divorce is necessary. Let me mention he is also getting deployed for a year and leaves in 28 days! How do I get my best friend back because we are losing our foundation! Help!