1 Corinthians 2:3

I was with you [ε γ ε ν ο μ η ν π ρ ο ς υ μ α ς]. I was is rather I became. I fell into a state of weakness, etc., after I had come among you. With you, i e., in intercourse with. See on with God, John 1:1. The implication is that his condition grew out of the circumstances in which he found himself in Corinth.