Hi, the monitor won`t eat you, he/she thinks you`ll do that to him/her. Stop trying to force the issue, you are causing much stress, and stress is unhealthy.
Use food as a means of showing you aren`t a threat, do NOT feed in a separate enclosure, it`s simply more forced handling.
There are no guarantees, but if it does happen at some stage, it`s down to lots of time and patience, nothing else....