(this will be easier if you draw it out and dry to do it by hand)
connect each house to each necessity, and each necessity to each house
the lines cannot intersect
have a blast (i did, no joke)
EDIT:
for all new kids coming in to read this, lines cannot be shared (you can't have a line going to food and then have a line peel off and go to water)
lines cannot be continued by going through a house or box
lines do not have to be straight
your lines can go outside of the boxes and triangles, but you cannot use the other side of the paper
this riddle takes place in a 2D plane, so
is
incorrect
be smart now, there's no pride in going through a loophole because i didn't state a rule that should have been obvious