1. (kind of like Nygeel's point about breathing being more important than binding) Binding is not going to help you pass. Only time on hormones will do that. After enough time on T, you will pass without question to the majority of people, even in just a sports bra, so stop taking chances with that injury.
2. Rethink your priorities and start taking action to make this transition happen.
3. You don't owe anyone an explanation and you do not have to wait for their acceptance.
4. For the love of God, wear nicer clothes.
5. Be cautious about which people you bring close to you. You don't have to be an open book simply because you are transgender. Again, you don't owe anybody anything, including your life story.
6. T won't turn you into an a-hole, if anything, you become much more sensitive, and far less angry.
7. SAVE YOUR DAMN MONEY because the healthcare system will let you slip through the cracks and you will have to pay for surgery yourself. But that's OK, because this doctor knows how to do it without leaving scarring.