Coworker: Can you help me fix this?
Me: If you remove something from the solution you need to tell the installer solution to not look for it any more.
[a minute passes]
Me: Oh, you’re probably aware of this, but if you remove that you need to coordinate this with all of the downstream consumers.
Coworker: We’re the only one who is using that
Me: [with trepidation] well…okay then. Just being careful.
Coworker: Thanks!
[a few minutes pass]
Coworker: Why are all the integration builds failing?! Help!

This is my job 68% of the time.