Make an Ichthus with yarn. Wear it and tell people about Jesus making the Disciples fishers of men.
Read Luke 5:1-11

"Voluntary fasting from food creates in us a greater openness to God's Spirit and deepens our compassion for those who are forced to go without food. The discomfort brought about by fasting unites us to sufferings of Christ."
Penitential Practices for Today's catholics