https://holyspiritchurch.us/an-act-of-spiritual-communion/
For Protestants,
In plain English: we can talk directly to God with simple earnestness
"When we cannot attend Mass [or church, for Protestants] we can still make an Act of Spiritual Communion. According to St. Thomas Aquinas, a spiritual communion is "an ardent desire to receive Jesus in the Holy Sacrament and a loving embrace as though we had already received Him." One good time to make a spiritual communion is while we are adoring Our Lord ✝️ in the Most Blessed Sacrament, but we can make them at any time of the day or night, even multiple times a day..."