Prepare to weep.
Go on. Watch this and let it all out. It's ok. No judgement here.
Deep breath.
If you set aside the fact that this is great publicity for Aer Lingus and just look at the human side of what it means to come to Ireland for Christmas after years of living abroad, this will put a lump in your throat.
Wonderful stuff.
https://twitter.com/AerLingus/status/679604176171610112