DP asking some questions πŸ˜•

Mirelys β€’ 1 MC on Feb'14 and 1 Rainbow baby born on Feb'15❀️ TTC#2 and 🐢🐢

why is it that you must not have sex every day while on your fertile days? I saw it on a post once but i took a break from ttc and totally forgot about the answer to my question, can someone please tell me? thanks in advance😊