What are the meanings of the phrases have been highlighted as follow?

"Being a single parent ... It's lonely sometimes - and always hard work. As well as the day-to-day stuff there are all the things two parent families take for granted...not having a second opinion in the middle of the night when one of the kids has a temperature; no one to take it in turns with for aSaturday morning lie-in. No one to go through the bills with. No one to go on holiday with. No one to shout at when you're tired and cross and no one to make up with later..."

Tks / ju