Someone else's energy is not a schedule you are obliged to keep. Travelling with a more adventurous person can be genuinely good, but only if you hold your ground on the things that matter to you. The person who silently endures four days of over-scheduling has a bad trip and does not come back.

Hold Your Ground on What Matters

You are allowed to say you do not want to do something. Not every refusal needs a justification. If three museums in a day sounds like punishment rather than enjoyment, say so. If you want to sit in the square for an hour while someone else sees the thing, sit in the square. The trip belongs to both of you. This sounds obvious and is somehow consistently ignored by the less adventurous half of the pairing.

The Agreement That Adventure Means Different Things

An adventurous traveller often assumes that their way of travelling is simply more travel. It is not. Wanting to eat at a table rather than a street stall, wanting to be in bed before midnight, wanting to spend two hours at a single gallery rather than fifteen minutes: these are legitimate travel preferences, not travel failures. Name the difference early. An adventurous person who understands that you have a different mode, rather than a lesser one, is much easier to travel with.

The Separate-for-the-Morning Approach

This is the cleanest practical solution available. You go to the gallery you wanted to see. They go to the neighbourhood they wanted to explore. You meet for lunch with different things to talk about. The split-and-regroup approach does not mean the trip has failed. It means two people with different energy levels both had a morning that suited them. Lunch is better for it.

The 9pm Problem

The specific situation: it is 9pm, you have done enough, you are ready to stop, and the adventurous person has identified three more things. This requires a direct answer rather than a slow drift toward resentment. "I am done for the evening, do you want to carry on or shall we find somewhere to sit and have a drink" is a better sentence than two more hours of half-hearted effort before everyone goes to bed unhappy.