Based on the context and the answer, generate a question. 

Context: We chose one that was supposed to be especially challenging and started the climb up to some waterfalls . We went far enough to prove we " could " do it ... but not so far as to actually tire ourselves out . Back in town , we did some touristy things for the rest of the day .

Answer:

They wanted to be able to say that they had in fact done the climb without going overboard



Why did they only climb far enough to prove that they could do it ?