Saving Sex and ALL for Marriage

So I am currently 5 months into a relationship with my boyfriend. We are both strong Christians (22 years old). We have had conversations about our pasts and how we both want to save everything for marriage because sexual immorality is a sin. We are doing so well with it, but I was wondering if anyone has ever gone through this before? What safe guards did you use to keep things from happening? Also, any fun dates you’ve gone on?!