Meaning of the word "the course of true love never did run smooth" in English

What does "the course of true love never did run smooth" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the course of true love never did run smooth

US /ðə kɔːrs əv truː lʌv ˈnev.ər dɪd rʌn smuːð/
UK /ðə kɔːs əv truː lʌv ˈnev.ə dɪd rʌn smuːð/
"the course of true love never did run smooth" picture

Idiom

used to say that people who are in love often have many difficulties and challenges in their relationship

Example:
They have been arguing a lot lately, but as they say, the course of true love never did run smooth.
After all the obstacles they faced, they realized that the course of true love never did run smooth.