He himself bore our sins in his body on the tree, that we might die to sin and live to righteousness. By his wounds you have been healed. Peter connects cross, healing, and new life here.
Fear whispers: "Be careful, protect yourself." But love says: "You are healed. You can be brave." In the New Covenant, love takes precedence because it comes from God. You are loved before you do anything, and this love frees you to be honest and brave.