Q&R with Brad: “What role do my prayers play?”

QUESTION Considering this newfound discovery that in Christ, there is "no separation," what do our prayers accomplish?  I mean, in the best way...if my friend is in pain, I genuinely care, and I talk to Jesus... But if He is always present, never withdraws, and always knowing, I find myself lost not knowing my role or effect. I pray still, and I suppose groaning makes sense in this instance -- not in a dramatic way, but feeling deeply, empathizing, caring deeply... But when a friend comes with dire need or urgency, I fail to feel, know or understand how my words (or ‘groans’ )have any effect or power to change anything when my Lord ...