You are NOT a machine: There's a reason that presentations are often called 'death by PowerPoint,' and many of the most masterful presentations don't even need slides… More than anything, you need to realise that first and foremost, you're a storyteller – and in any pitch, you have to engage the emotions and interest of your audience.

Mahatma Gandhi once said, 'first they ignore you, then they laugh at you, then they fight you, then you win…' the good news is that society is reaching a critical mass of influence meaning that today, people cannot ignore us, and cannot laugh at us, they have to fight- and if Gandhi was right, we are near the breakthrough towards winning.

Play is a mock version of these activities, allowing us to experiment and understand how they work and interconnect. Questions like 'What if I did it this way?' arise in play, exploring different possibilities.

Think about how that feels when you're told that for this essential skill that is part of the astronaut job, you're not needed. It's as if they were saying, 'You don't bring anything essential and we won't miss you.' That encouragement pushed me to show up to spacewalking meetings I wasn't initially invited to.

You have to make decisions throughout your life and be prepared to accept responsibility for those decisions. There is also confidence that comes from learning a set of skills – and that confidence allows you to challenge the status quo, push back on people who may not be supporters, and really drive your own agenda in a positive way.