Brittany Renner said the biggest partner she ever measured was about 8.5 inches, but stressed that size is no longer what matters most to her. She explained that trust, emotional safety, and genuine feelings play a much bigger role in intimacy, saying her body responds differently when she's with someone she truly trusts. According to Brittany, the feelings matter more than the size.“but um l'd say probably the biggest was like maybe like eight and a half yeah”