According to the Romans, this god ensured good beginnings and good endings. That is what Janus represents. The beginning of a new stage that begins by daring to take the step, and to cross the door that will take us to our objective.
He is also the god of transition. The transition of going through the inner conflict that is to go through a new path, through the uncertainty of the future and the changes.
Many of the changes that we must make in our lives, are scary. In general, the more fear we feel, the more sure we can be that this is the direction we have to go.
Fun fact: As for the Romans he was the god who ensured good beginnings and endings, he was consecrated in the first month of the year, January, and was publicly invoked on the first day of January, a month derived from his name.
It passed from Latin Ianuarius to Janeiro, then to Janero and from there it derived to January or in Spanish: Enero.