To make a topic, go to your forum or someone else's. You click make a discussion and that makes the topic and you only have to fill out the information and the title. If it is your forum, you can choose for it to be a discussion or an announcement.
Click make a discussion
Ask in the 'Retired GA Coats' topic or the 'Howrse Spotters' topic in the events forum on Howrse.
You don't have to "join", just make a comment or add a topic! Just make sure they follow the Forum Guidelines.
There is a topic for this in the Events Forum.
Take a look in the events forum topic regarding the new changes on Howrse. That explains how to add family members. You can only do so if they are new to Howrse however.
You cannot make a boarding school on howrse
There is a topic in the 'Events' forum showing the coats.
Of course. Just look through the production of some older players and check in the Howrse Spotters topic in the Events forum.
You can't change the time on Howrse.
In the game Howrse, you can use the Philosopher's Stone when your horse reaches 5 years old. It allows you to choose a coat color or pattern for your horse.
When you start howrse you pick a suitable usernames. My username on howrse is nickbuckley100
I make them :) I am on UK and internation howrse. My username is AbbiNewton. PM me on either servers, and I will make you one :)