It depends no what you say when yo tell her you are going.
"I am going - ya snooze ya lose" - kinda looks like you are moving on
"I am going, I understand if you aren't up for a lot of noise and such... it can get a bit intense... just rest here, i dont' expect to be long, but I do want to support their family" - sounds like you are just being considerate and potentially scores you a few points
