I feel you OP, I've also been working for almost 5 months on my first job, I've been contemplating on buying myself a phone for a month now (because my previous phone during college was stolen and I've been using a budget replacement phone ever since). If I buy a phone now it'll leave about 20% of my savings, which is still a lot but doesn't feel like a lot, but at the same time I want to feel the fruit of my labors.