Solo travel — without partner, family, friends — produces specific psychological benefits that other travel can't replicate. Once yearly is a sustainable maintenance dose for most adults.
What it produces
Decision-making about your own preferences (often atrophied in coupled or family life). Self-trust through navigating unfamiliar contexts alone. Mental space for actual reflection. Sense of yourself separate from your roles.
Short solo trip first (5-7 days). Easy destination. Lisbon, Edinburgh, Tokyo, Reykjavik are common first-solo destinations. Most travellers who try once add solo travel to annual rotation.