Because mine does. Only child.
gets more stressed than anyone when they’re here. All tense and terse.
we are quite cool with them but all our everyday goes into calming him down
they’re staying locally and he’s unbelievably tense, largely because he finds them so annoying, which isn’t my fault or theirs! They’re just doddery and tell endless dull stories
the thing is that he invites them, gets quietly cross then stalks off and leaves us to deal.