Half the mortgage, bills and food shop. Fortnightly dinner date or day out, annual vacation and family meet ups... presents for their family and for them (as well as valentines day shiz)... tl;dr... quite a lot.

making yourself vulnerable to being hurt, they can't get you a loan for that down at the bank

sacrifice.

Your very soul!

...no, it isn't like purchasing an item, though loving gets you a slew of combined circumstances that require energy, care and a heart. And sometimes it is rewarded with spankings.

Your sanity ☺

2 quid