the bane of somebody/something something that causes trouble and makes people unhappy (Oxford)
a cause of continuous trouble or unhappiness (Cambridge)
The neighbours' kids are the bane of my life. (Oxford)
The poor train service has been the bane of commuters for years. (Oxford)
Keeping noise levels low is the bane of airport administration. (Cambridge)
bane of one's life
felt abashed
appeared abashed
Burden
Misery
Blessing
Comfort
Baneful