We attract angels by becoming the qualities that are of interest to them. When we focus on such qualities as compassion, faith or tolerance . . . we attract angelic beings that are trying to help develop that in all humanity.
Take great care to restrain your tongue and be circumspect. Let only discretion and charity open your mouth. And practice the advice of all the Saints to break silence only with words that are worth more than silence. Silence is one of the most certain signs that God dwells in a soul.