夫妻之间多久同房一次才算正常

{"name":"\u592b\u59bb\u4e4b\u95f4\u591a\u4e45\u540c\u623f\u4e00\u6b21\u624d\u7b97\u6b63\u5e38","type":"\u6d77\u5916\u52a8\u6f2b","area":"\u5927\u9646","year":"1986","lang":"\u95fd\u5357\u8bed","play":"BD\u8d85\u6e05","type1":"\u6d77\u5916\u52a8\u6f2b"}