Men who didn't start dating until later in life, how did things turn out?

I'm 27 years old, never went on a date in my life. Same goes for having any sort of romantic entanglement whatsoever. Naturally introverted and emotionally closed up. I worked hard in college and work and have a good job, but since my college was engineering intensive, the guy to girl ratio in my school was 2-to-1 and in my program was 6-to-1, so never really met too many girls. Having never dated in high school, college, or mid 20s has left me with no idea what to do and it's getting harder and harder to start all the time. Any advice for someone starting late?