If you notice that your wife's thong appears crusty, it could be due to various reasons. It's important to approach the situation with sensitivity and understanding. Here are some possible explanations:
1. **Body Fluids:** Normal bodily fluids, including sweat or vaginal discharge, can accumulate on undergarments.
2. **Detergent or Fabric Softener Residue:** Sometimes, laundry detergents or fabric softeners can leave residues that may appear


