One of my top sexual experiences was "emergency" nursing my wife after our first child was born.
My wife was just finishing weaning our daughter and we decided to go on a three-day trip to Florida and leave her with family in Michigan. What we didn't know was that my wife's body had yet to adjust to the weaning.
Within a few hours of arriving, while sitting around the pool drinking, her breasts started to fill and swell. It was funny at first and my wife was enjoying the attention, but then the pain started and she paniced. We were too far from a drug store to buy a pump, so we went back to the hotel room and she tried to take a shower and start the let-down. It worked a little but she couldn't keep up. I volunteered to help!
I nursed her for several hours and was successful in bringing the swelling down. I was hard as a rock (which pissed my wife off - she saw nothing sexy about this at all!) and jacked off several times. I look back now and can't believe it really happened