Source?
A vort from my rebbi
This may not be be a satisfactory answer for you, but: Is the world tznius? No. So you are better off staying at home (or go sit in the beis hamedrash).
Is this doable path for everyone? Not really
Now, you can ask the same questions regarding the women going out in the world.
How about having a telephone? It can facilitate talking lashon hara.
Ein ledavar sof.
Option 2: learn/strive to face the challenges that life throws at you. ubecharta bchaim...