I'm assuming you lost your login details, J20...?
I'm sorry you feel that way about Obie. But I can tell you, Hun, that's normal. When you aren't around to interact with them, older cats just sleep... and sleep... and sleep.
You see him waiting by the door for you because he's heard you coming 30 seconds before you put your key in the lock and he's run to meet you.
I'm sure the CP lady will have talked through all the options with you. I'm sorry you feel Obie is unhappy, because everything you've told us points to it being the reverse...