Hi doc, how do i elongate and enlarge my penis as it is really disturbing my marital life?

Not possible: Regardless of what you may read or hear, it is not possible to change the size of your penis without major surgery. If it is truly causing significant problems in your relationship, the place to start is by seeing your doctor.

Sorry but you don't: Focus on pleasuring your wife via other means than your penis. Use your imagination. If you focus on your penis size, it's going to negatively impact your relationship. Let me spell it out: there is no over-the-counter or online product or exercise that will increase your penis size/length/whatever. Work with what you have rather than mope over what you don't have.