You will not break anything :) You will just loose some powers ;) The upvotes (likes) take away some of your Voting Power. It regenerates itself, but in the speed of about 10-11 votes a day. So that's it. If you vote like crazy you will spend it all and it will take days to get it back.
There is no limits for resteems.
Thanks, I've got that now. Appreciate your help!
Anytime :)
There is a lot t learn here!