When drinking milk if you keep holding the button to drink your character will drink the milk forever.
Linked issues
Comments 2
Thank you for your report!
We're already tracking this issue at MCPE-54555, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki
And sometimes when you put a bucket of milk in a chest or shulker box it just emptys the bucket of milk.