I always found it interesting that after the success of "Stoned Love", a second single wasn't plucked off NEW WAYS to try and ride the tide. While there are a lot of covers, which I couldn't see Motown releasing as a next single, there were a few gems, including "Thank Him For Today" and my personal favorite, "I Wish I Were Your Mirror".

I find the time line of "Stoned Love" and their next single "Nathan Jones" pretty interesting.

SL was recorded in March, April, and May of 1970.
SL was released in October, 1970, as well as NEW WAYS
NJ was recorded in December, 1970.

To my eyes, it looks as though there was never any intention to release a second single, seeing as Jean, Mary, and Cindy were already in the studio recording, while seemingly SL was still on the charts?