Facts and Myths about Penile Size An overwhelmingly large number of men are concerned about the size of their penis even though what they have is more than enough for them to be great in bed. When it comes to size of the penis, The Bigger the Better is the popular belief. At times, this obsession with size can come in the way of sexual performance. Here we discuss the issue of penis size from the medical standpoint and clear some misconceptions about penile size.