I am a citizen and i married my husband who is immagrant from jamaica. but within less then a year i file lega?

I am a citizen and i married my husband who is immagrant from jamaica. but within less then a year i file legal separation from my husband which was 2-3 months after our interview what happens to my husband if we're no longer living togither and not together.? how do i with draw myself as petitioner for him and his daughter.