In Matthew 19 Jesus welcomes little children to himself, (gently) touches them and prays over them. The disciples, in contrast, seem too stern and busy to feel the is important kingdom work. The story tells us:
13 Then little children were being brought to him in order that he might lay his hands on them and pray. The disciples spoke sternly to those who brought them; 14 but Jesus said, “Let the little children come to me, and do not stop them; for it is to such as these that the kingdom of heaven belongs.” 15 And he laid his hands on them and went on his way.
It is easy to rebuke the disciples in this story. But perhaps we have this wrong. Could it be that love made them desire to protect Jesus and seeing he was tired and drained (they had seen multiple miracles of healing, great teaching, etc.). It is likely they were concerned for his well-being. After all, he was now talking about a cross, which puzzled them. I think the tension in his heart