CSF leak

40 yr male 6’1” 215 lb Caucasian one day fluid leaking from nose. No existing conditions - Drinks alcohol occasionally, no smoking No medications

https://imgur.com/a/lcaLO35

Hi docs! My husband has had two instances this morning of yellow liquid leaking from his nose. Pic attached. No headache, dizziness, neck pain etc. No current cold or sinus issues. Should he go see a Dr today? Or do you think this is normal?