It's just a quirk of our language, bud. Possessive pronouns and the neuter singular pronouns (its) never carry an apostrophe. I can see your logic for 'your's', 'our's' and 'her's', but using an apostrophe for a possessive 'its' would complicate matters, seeing as 'it's' mostly means 'it is' or 'it has'. Don't let it get you down. It's just one of those things.
I didn't think you had the brains to understand the explanation from Ponders so I did a simpler one that I thought you would understand before his. I was wrong.
You're quite correct, I've no idea what Ponders was on about. When I was eleven, I was in the extra help with English class with all the ethnics. Read Jaws for homework.
You've come a long way since then, for your posts are mostly of a high standard. Having said that, you committed the cardinal sin with your first sentence: the comma splice. You used a comma to seperate two independent clauses when a colon would have been better. Yes, I am a condescending ****.
Yes I see that. I get by just about but things like, for example, a semi colon: I've no idea when to use it.
Just type 'semicolon Sussex University' into the search bar and go from there. I promise you you'll have it nailed within ten minutes. Find a resource and stick with it. Even the very best get confused with dashes, colons and semicolons. I've edited work by bestselling authors and been left dumbfounded by their errors.