Anything that interferes with that relationship is part of the problem.
If following this diet stresses you out or interferes with your sleep patterns, it could also impede weight loss.
“There are very good reasons why people should not wish to accept it, because it interferes with their business,” he said.
mid-15c., "to strike against," from Middle French enterferer "to strike each other," from entre- "between" (see entre-) + ferir "to strike," from Latin ferire "to knock, strike," related to Latin forare "to bore, pierce" (see bore (v.), and cf. punch (v.), which has both the senses "to hit" and "to make a hole in"). Figurative sense of "to meddle with, oppose unrightfully" is from 1630s. Related: Interfered; interfering.