It Hep you release tension. You can enjoy sex better when you are relaxed
Especially to the people who are shy
A simple touch—his fingers brushing your thighs, for example—goes from standard to electric in two seconds flat when you can't see it's coming. Without your vision as a crutch, you'll focus more on his breathless moans, the flavor of his ChapStick, and the scent of the aromatherapy candle you lit before you tied on his necktie. When you can't see anything, all the sensations you feel, the scents you smell, and the tastes you encounter will become so much more intense.
Being blindfolded increases trust between partners