Being an entrepreneur is not something you 'fake' any more than you could fake playing the violin (well, you could but it would not get you any closer to playing one), you either do it or you don't. You could do it badly though, and most entrepreneurs do that for a while until they've racked up enough experience to make a go of something. That's called practice.
Wannabe entrepreneurs usually stay that way, entrepreneurs get up and do stuff, they don't 'want to be something'.
It is perfectly possible to be an entrepreneur without a network of other entrepreneurs, you're better off concentrating on your customers initially anyway.
I see a disturbing trend in my environment where people will spend more and more time 'networking' and less on developing their product and / or their business in general. They're all backslapping each other what great entrepreneurs they are, they organize events and so on. Meanwhile the real entrepreneurs run off with the contracts.
Networking has its uses, but don't overestimate it.
1. Gives you an idea of what your friends will think about you after you become a real entrepreneur.
2. Gives you hope that you can and will change your circumstance.
3. It consumes you till you make the jump.
4. Plus you get to practice a very important skill - how not to worry about what people think of you :).
5. Gives you chance to evaluate whether you really want to be a founder.
6. It makes you go to real entrepreneur events so you can meet and mingle with them and get to know what its really like.
This is a great article to break out of wannabe mode but I dont think being a wannabe is necessarily a bad thing.
Hey - fake it till you make it :).