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To quarrel
to argue - to have a fight — to fall out with someone over something/ to have a falling out
scary
dreadful, horrible, terrifying, horrific
To be in low spirits
to feel out of sort - To feel down in the dumps
Salary
wages, income
To marry
To tie the knot
To earn money
to do smth for a living, to make a living, to raise money
Fringe benefits
Perks
To be crazy about someone
to be/ fall head over heels in love - to have a crush on
Hurdles
obstacles
To quit
to leave - to give up - to resign - to hand in one’s notice
Lose touch
drift/ grow apart
To have mood swings
to be on emotional roller-coaster
To have thirst for adventure
to have itchy feet
To be fired
to be dismissed - to get the sack
To see someone on the side
to have an affair/ to cheat on
To be made redundant
to be laid off