A manager must stay positive in any situation. How to do this?

A manager's qualities are best shown not when all is going well but primarily in critical situations that lend themselves to pessimistic outlooks. It is in precisely at moments when optimism and inspiration are lacking that a good leader should provide motivation. For a leader to do that, it is important they themselves do not lose optimism in troublesome times. Here we offer some tips on keeping cool and spreading optimism and positive expectations even during critical situations and unsuccessful periods.