Sex? Unfortunately, as you get older - and I shouldn't admit this - there are other things that become more important in your daily life.
Learning something new is fun.
It's very important in life to know when to shut up. You should not be afraid of silence.
Don't minimize the importance of luck in determining life's course.
Please phrase your answer in the form of a question.
Saying that I've THOUGHT about it doesn't mean that I'm DOING it.