Bollywood actors having fun while shooting sex scene

I always think how Bollywood actor and actress they kissing or sex scene. Are they not be excited or erected during the scene. Please see this video and see how actor is getting erected and actress is enjoying shooting this kissing scene. See the smile and expression on actress face. She is feeling so happy and satisfy with the scene.
But, the act is really good. You can feel the same fire on your dick tip. As they are kissing and going ahead, you can feel sensation in your body and your dick start erected and pussy will start leaking.. lets do something… enjoy the video.