MyFluffyCrazyWorld
Matthew has something to make amends for...
This story participates in the initiative '25 Days of Christmas' of the group @Non solo Sherlock - FB multifandom events group
Prompt used:
X is the only one who knows how to take Y the right way.
Uchronic scenario (and this wasn't easy.. but come on, a person's birthday is a bit of a historical fact, isn't it?)
'Could you do me a favor?'
'Then the decision is up to you'
Hurt/Comfort