So I have to rant for a minute, say you picked out a name, your going through fertility issue and…

So I have to rant for a minute, say you picked out a name, your going through fertility issue and your family member like real close family member decides they want to change he their entire name legally BUT there's a catch you notice the name on their Facebook and the first name happens to be the name you pick for your future child if you have one, how would you react or what would you feel?