I think its fine. A man can defend himself with that.
Like the old saying. " It's not the size of the boat... It's the motion of the ocean."
I all depends on how you use it. Don't fuck like a rabbit on speed. Slow and steady... Build it up.
Stroke, Stroke, Stroke. (Pause) Then, go in as far as you can and hold. Pull back slowly, but don't pull out. Again go back in. Stroke some more, maybe 5 strokes this time. Dont be Pre-Dick-Table. Take her to the edge and pause. To tease is to please... Right Cathy? 😉