第一是 the 1st： The first day with her, we had a great sex.
第二是 the 2nd: The 2nd day, we had sex again.
第三是：the 3rd: The 3rd day, her period came so I couldn't do it
第一是 the 1st： The first day with her, we had a great sex.
第二是 the 2nd: The 2nd day, we had sex again.
第三是：the 3rd: The 3rd day, her period came so I couldn't do it