1) Because stalking is an ugly word. Isn’t it though? It’s just as bad as “golf,” or “moist,” or “panties.” Or even worse, “golfing and stalking in moist panties.”
2) Because you don’t need to see that stuff. Wait. They’re happy without you? And you’re staring at it via your computer screen? No thanks.
3) Because you’ve matured. Do you know how awesome it feels to use the Internet for its actual purpose instead of stalking? It’s amazing! You feel so mature, you even start thinking you might Google what exactly a 401k is and where you can buy one. (The Gloss)
Get the rest of the reasons here.