Payungsak Uthaiwat appears to be showing frustrations/problems/pressure in the current work environment.
We would suggest that consideration is given to the situation as job performance could adversely be affected.
If however Payungsak Uthaiwat is being considered for a new position the problems may well be eliminated as a matter of course, although it is important that similar situations are not allowed to develop.
As a result he may be slow to settle within a new position, hence the necessity of pre-determining and assessing the effect of the problem.