There are a few things that make Thuso Mbedu really happy and reading is one of them. The multi-award-winning actress recently took to social media to encourage followers to exercise their brain by diving into a novel. On Instagram, she shared that reading made her “giddy with excitement”. She wrote: “It’s one of those things whose start genuinely makes me giddy with excitement and whose end induces heartbreak – happy or sad ending, you’re likely to find me shedding a few tears.”“The Underground Railroad” star explained that it was reading that had sparked her desire to…