When you think about it, most of these resolutions have one thing in common: self-control (or the lack thereof). Our resolutions to improve our lives boil down to controlling ourselves.
So either a singular piece of fruit is many things in God’s eyes, or the Apostle Paul didn’t know how to formulate a sentence properly.
We have been granted mercy from God and we are to respond in an act of spiritual worship. We are to renew our bodies and minds by abiding in Christ.