Can apply to absolutely ANYTHING!
After you've said 'im opting out', there really isnt anything the other person who you opted out from can do!
NOTE: After one person has opted out of something, the other person cannot say, "im opting out of you opting out" etc.. thats it, Opting Out is FINAL>
Police officer: "erm, lads, im gonna have to put you under
arrest for that"
You: "im sorry boys, im opting out"
Police officer: "......arg..oo..ou..erm, fair enough lads, well said, i cant really do much now can i, ill cya later"
You: "alright mate, just go for cruise in yah car or something"
police officer: "will do"