demob-happy
/diːˈmɒbˈhæpɪ/adjective
- Brit. informal feeling elated because one is about to leave a stressful or responsible job or situation〈英, 非正式〉如释重负的：
he's looking a little more relaxed these days, though he's not demob-happy quite yet.
他这几天看上去轻松了一些, 虽然还谈不上如释重负。