Guardian Angels’ feast

He has given his angels charge over you
to keep you in all your ways.
In their hand they will bear you up,
that you may not dash your foot against a stone.

Ps. 90 (91):11
The offertory antiphon, First Sunday in Lent

The belief that the guardian angels exist and help humanity has a long genealogy coming from the Jewish tradition and the witness of the saints.

I recommend being friendly with your guardian angel.