What happens next in this paragraph?

How to get an idea for a book (for young writers )
Write a book with just about anything.
You can observe while swimming in a river or pool, at a friend's house, or when something really fishy is going on-just don't get into anyone's personal business. For example, you can write about your aunt edna :
Maybe you don't want to investigate.
Select from the following.
[1]. What possible reason? But maybe not. All's the same-for some ideas, something classic would be best.;
[2]. But don't swear until you make a decision. But if she keeps calling and regularly commits acts of gossip, of course they can cause trouble down the line.;
[3]. You could maybe just, do everyday stuff, and just let the idea pop up in your mind one day. Do the first step if you need to write right away.;
[4]. Always tell someone, but sometimes you have to be more discreet. That doesn't mean no some stranger might stalk you.;
[3].