Always rejoice. Never worry. Tell God what you want.
Are Paul's instructions realistic for you? That is, can you imagine yourself rejoicing at all times? Or, showing your gentleness to everyone? Or, perhaps, even having gentleness whether you show it or not?
Have you experienced the peace of God during a tough time in your life?
What portion of your prayers typically are expressions of joy? or even of moderate gratitude?
How does your congregation live out this passage?