Warm was completely used to such behavior and with his head raised high, as well as with certain effort, he left the office sideways, followed by his colleagues' jokes.
Warm left his office with his head lowered. 
mnli hypothesis: Warm left his office with his head lowered.  premise: Warm was completely used to such behavior and with his head raised high, as well as with certain effort, he left the office sideways, followed by his colleagues' jokes.