When it comes to handling household finances, couples are increasingly choosing to keep their money apart – whether they’re married or not. According to UK data released by TSB bank, just one in eight people in a couple share all their finances with their partner, compared with two in five who keep their money entirely separate. “In decades gone by, it used to be that the man would take control of the overall finances of the family, and then the women would be in control of the household budget,” said Alice Haine, Personal Finance Analyst at Evelyn Partners. The idea that one partner should ho…