Building muscle

In Dec 21 I had the sleeve but I am no spring chicken lol. Even with complete plastics I still have jiggle and jam. I used to walk daily and honestly goof off at the gym because my husband was/is a gym rat. Last August he had a stroke and EVERYTHING got put on pause. I gained about 10 pounds, no big deal I am 51 and am aware of the menopause 15 lol also you gain about 15% back. Gain no big deal. Fast forward to March… Italy's dream vacation for hubby and GERD hit me like I owed satan child support! What seemed like a simple heartburn turned out to be La class D with a hernia and a required revision to RNY bypass. Here I sit 6 days post op trying to figure out how not to look like skin and bones, and adjust to having restrictions to possible dumping. How does one gauge the weight loss and not loose the BBL I bought lol. HELP
PS need friends