By Emma Mackenzie They say it is the thought that counts, but sometimes that’s just not enough. Being given a present that’s really perfect for you? There’s nothing quite like it. But, when you unwrap something and have to assume the slightly stiff expression of someone hiding their disappointment, it can be tricky to handle. No one wants to seem ungrateful for a gift, even if it isn’t really their cup of tea, but one woman who was given a homemade painting by her friend immediately wanted nothing more than to chuck it in the bin. The woman, who posted on Mumsnet looking for advice on her dile…