[eru]

(Total) energy is not conserved in general relativity.

So far all we know we are living in a universe without conservation of energy.

See https://physics.stackexchange.com/questions/35431/is-the-law...

[op00to]

In this house we obey the laws of thermodynamics!

See https://youtu.be/tuxbMfKO9Pg?si=zyWt_miGeYcIfXQA

:)