主観 is subjectivity. So when something moves towards subjectivity it is becoming subjective.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. It will help if you know 主観.
This may be a very subjective view, but to me, you work too much and should take time off sometime soon.