The superstition of Friday 13th came from the bible reference. '13' is because Jesus originally had 13 disciples and Judas who had betrayed Jesus was the 13th; Friday is because Jesus was crucified on Friday. My 2 cents.
Not sure whether you too have confessed Jesus is your saviour, only through Jesus you can reconcile with God and spend eternity with Him in heaven, you need to be born again, repent of all sins, be baptised and receive the Holy Spirit. It is a relationship with Jesus. Jesus die not just for me but for you two and the rest of the world. It is His desire none should perish. It is not a religion. It is a personal relationship. Hope you two will choose wisely. 😊