Cyberman wrote:
I'm afraid of commitment
to the wrong person, but I don't understand how marriage is a death sentence to "having fun."

To be more specific, marriage is a death sentence to having fun for men only. Why? Look at a couple of popular sitcoms. Take
Malcolm in the Middle: it has a spiteful, domineering wife, and a good-hearted but henpecked husband who she treats like sh*t. Or consider
Married with Children: it has a wife who's generally happy, and a husband who's generally unhappy. Or if you use a newer example,
The World According to Jim; the wife always acts whiny and emotional, and constantly makes her husband look and feel like an idiot.
Sure, they're all fictional, but the ideas have to have come from somewhere. If a writer of a famous show saw enough of these situations to use them in his show, then they must be very common in real life. So it's no surprise that marriage really is a death sentence to enjoying life, but for men only. Women, however, can continue being happy even after marriage.