Wouldn't change anything.
Christmas eve - panto and takeaway in evening. New pj and DS aged 11 and 15yrs sprinkle Reindeer landing dust outside....yes you did read the ages correctly....
Christmas day - Santa sacks for DS. Leisurely breakfast with everyone making own. Boys now playing new ps4 games. Open gifts from friends. Eat chocolate. Boys open gifts from auntie. More chocolate.
Lunchtime - have starters at table.
Get down, open gifts from boys and grandparents.
Bit later - main meal which is actually a buffet eaten at table.
Play couple of games
Evening - chill, fall asleep, eat more chocolate.
Above all performed in onsie...
Boxing day - drop boys at their Dads, go to Toby Cavery with Mum, sister, BIL.
A very relaxed, go with the flow Christmas.