Sorry if TMI, but I need answers

Jade • 28 / husband is 29. Mommy to Abigail Elizabeth 05/30/17 🎀 Claire Victoria 07/01/20 🎀 Eric James 10/14/21 💙 4/08/19 💍👰🏻
Okay so my SO says that recently I taste and smell different down there (ya know, my lady bits). He seems to no longer want to go down there anymore and is just disgusted by the idea now. I'm just curious as to what is wrong with me. Any advice from you lovely ladies would be helpful!