What good does it do ya?

I've always been stunned by the summarized answer given in the Shorter Catechism (SC) to that question:
The benefits which in this life do accompany or flow from justification, adoption, and sanctification, are, assurance of God's love, peace of conscience, joy in the Holy Ghost, increase of grace, and perseverance therein to the end.

Assurance, joy, peace, increase, perseverance!