Someone once asked...
“30快31了,工厂打工,现在失业,想转行去别的行业,发现根本就没有人要,打工身体又熬不住,每天都很心力憔悴,不知道怎么办了”
✦
Someone answered with kindness...
Have you considered moving to the countryside, if possible? Maybe your work experience can be translated to less physical work there.