Perineal Massage - Are you doing it / think it will make a difference?

Cara
FTM and was thinking about doing perineal massage to help prevent tearing. Mentioned it to my doctor, but she didn't think it was proven and said its effects are insufficiently studied - specifically for example, what if in the long term it caused nerve damage to the area. Wondering if anyone has tried it for a previous birth and if so did it prevent tearing, or if FTM are you planning to?