Period

Hello my question is has anyone had this happen before what were your results: I got period last week for 5 days it end on January 26 and it’s been four days since I’ve been off my period. well yesterday morning I had sex and I no cramping no spotting nothing wrong with me. well yesterday evening I had sex again and this time I started to bleed it’s wasn’t a lot tho it was like if I was on my period tho but I wasn’t so we stopped and I took a shower and had went to bed. well this morning I used restroom and I had no bleeding or cramping while 2 hours ago I used the restroom and I saw that I had some spotting and I have slight cramping that goes on and off. Has anyone ever experience this and what were your results?