take the load off (one's feet)
To sit down and rest one's feet; to relax. (Usually said as a suggestion.) Why don't you go take the load off for a while, and I'll fix dinner for tonight? Ah, you've finally arrived! Come on in and take the load off your feet.
take the load off one's feet
Sit down. Also put as take a load off, this colloquial saying dates from about 1940. Both versions, often preceded by sit down and, are generally stated as imperatives.