It was the last straw that broke the camel’s back.
More English Proverbs:
When love cools fauts are seen.English
See a pin and pick it up, all the day you'll have good luck.
English
By continually striving for the best, one may waste good opportunities.
English
No man has a worse friend than he brings from home.
English
Beauty provoketh thieves sooner than gold.
English
Beauty is only skin deep.
English