There are all sorts of prescriptions out there for what it takes to be a man. Some of them involve buying things you don’t need: leather wallets and silk ties. Others still require investing in and expanding on your education. If I’ve learned anything about being a man so far, it’s that there are no hard-and-fast rules to manhood. There are, however, some things that every adult male should know that will help him through the business of living his life and being a leader among his peers. This isn’t a list about how to be a man: better writers than I have written novels on the subject and fallen well short of an answer. Think of this as a list that will give you the edge on being a lifelong leader while you’re still figuring it all out. Here are 25 Things Every Man Should Be Able To Do By The Time He’s 25.