Why does baptism matter? Jesus instructs us to be baptized and set the example by being baptized himself. (Matthew 28:19-20, Mark 1:9)
Obedience to Jesus shows we believe and desire to follow Him. (1 John 2:3) Because Jesus went public about His love for us, we can go public about our love for Him. Being baptized shows both to ourselves and to others that we don’t want to just live however we feel, but instead desire learn and live for God.