For this very reason, I never schedule 90-minute sessions. You pay massage therapists for their time, so if they short you, you should compensate accordingly. By using the word “relationship” a couple of times in your post, it also sounds like you’ve grown attached to your favorites. At the end of the day though, you’re just a client to them. 90 percent of the masseurs in LA overcharge anyway, so take your hard-earned cash elsewhere if they begin to cut your appointment times short. If you absolutely can’t live without their massage, then bring it up and they should understand. If not, move on!
Again, so many take advantage of the service they’re providing and are getting paid $150+ an hour for just a mediocre massage. I know everyone in LA seems to be millionaires but these guys are making the same per hour as someone on a $300K+ annual salary. For that kind of money, their hands shouldn’t be coming off your body until the 90-min mark.