I paid over $2K on one 1098T, paid over $8K on a 2nd 1098T, entered 2nd, lowered my refund amount by 22? What? Deleted 2nd. Original refund unattainable. Why? Shady

Why does adding 2nd 1098 T decrease refund amount when I'm paying on student loans? And why does refund amount change very slightly and won't obtain original quote?