Let’s face it, disappointment is shit. Have you ever bitten the bullet and applied for your dream job, only to find an unwelcome letter of rejection sat smugly in your email inbox the following week? Or perhaps you’ve had your eye on a gorgeous pair of shoes for weeks on end and when you finally decide: I work hard, I’mma treat myself, they’ve inevitably sold out in your size. Whether it’s losing out on a promotion or a pair of shoes, feeling let down is rubbish and can really suppress our inner superwoman. Whether you’re going through a tough breakup, a spell of unemployment or you’ve realised there’s no milk…