Need some guidance

I have been experimenting with prostrate stimulation for around of year and been using this…

http://www.docjohnson.com/men-s-pleasure-wand.html

Sometimes even getting my wife to use her fingers, and to use a small dido, but haven't experienced the super o.

I feel like it's gotten me to cum, but nothing beyond that type of pleasure.

I am just looking for the right one for me. I know that's hard, but just some help.