### Clue: Left with broken heart — man you dumped not wanting to do anything (8)
### Answer: LETHARGY 
 ### Explanation: Definition: not wanting to do anything
 L(abbrev. for "left") **plus**(with) **anagram of**(broken) HEART + "guy"(man/fellow) **minus**(… dumped) "u"(abbrev. for "you", in texting).