One of the understated benefits of taking vacation is raising your bus factor at work.
If you were hit by a bus and suddenly unable to work, how many people could take over your role? You want this to be greater than zero. Being the only person who can do your job is usually not the type of job security you want. You will get stuck and stagnate over time. Your job security should be defined by how many people are demanding your skills, and your ability to meet that demand.
So go on vacation. Force your company to make sure somebody else can do your job. Your ability to grow your career depends on it.