My late partner had HIV for 12 years, and always looked healthy. If anything, his problem was he was GAINING weight he didn't want. Then he suddenly contracted a 100%-fatal AIDS opportunistic disease, PML.
I was determined he wasn't going to die looking like a skeleton, since PML can block the desire for food. And indeed it did with him, so I spoon fed him myself in his dementia, learned how to trick him into eating, almost like with a baby. The nurses wouldn't bother, he would have wasted away, adding to his misery.
And when he died he hadn't lost a single pound, he looked as outwardly healthy as ever. That's a dramatic example, but I know plenty of HIV and AIDS patients who look as healthy as anyone else, you could never guess they had any sickness whatsoever (an important thing to know in terms of having safe sex with strangers). And others I know who look sick, underweight & frail who have something OTHER than HIV or other STD wrong with them, like cancer, or heart disease.
So don't make judgments based on appearances, which can be deceptive. When my own belly ballooned during my cancer treatment, due to male hormone suppression, word got back to me that it was rumored I had HIV, and my new "figure" was due to my HIV meds.
And indeed, a particular belly bulge is known to happen to some men taking those meds. My volunteer work with HIV organizations only seemed to bolster that assessment. Fortunately I'm not personally bothered by such misconceptions, let people think what they want about me, HIV is no shame.
But it DOES bother me that people jump to erroneous conclusions that COULD cause disadvantages to others besides myself. I'm pretty much immune to loose talk, but others may not be. Be careful you're not a spreader of unfounded rumors yourself, especially about HIV, which carries as many social side-effects as medical.