Q&A for How to Start Learning Guitar

You can never learn an instrument 100%, but you are able to master a song faster the more you play guitar. You may take 3-4 days to learn your first song (depending on the difficulty) and after 6 months, you'll be able to learn a song in a day. Don't do power chord songs first, try basic chord structures.

Sure! You’re free to learn the guitar for whatever reason and plenty of people play for fun. Not sure what forums you're on but perhaps you need to visit some where people do play for fun and don't turn it into something more. There are no "must do's" in relation to how you approach a love of musical instruments!

Keep looking for instructors, but in the meantime, start by learning online. There are lots of great tutorials on YouTube for beginners.

Yes, animals (like humans) will likely enjoy you playing for them. Just don't play it so loudly it upsets them; if they leave the room, then respect their decision.

Yes, although since the majority of guitar genres and styles include advanced techniques which require versatility and dexterity, it is often recommended to learn with a pick, rather than exclusively with your fingers.

You can borrow a guitar from a friend or music store. Many music societies also have guitar rental programs.