I love this question.
Met someone off FF a few years ago, became friends IRL. We just spoke this morning. Last time I was in her town, we had coffee. Smart person, good to know.
Met a FFA off another site awhile back, and she kicked off the end of my super-lean period and began the slow slide into obesity. We met up and it was delightful! I wore a too-small t-shirt and a jacket over it. When I opened my jacket, she was floored. "Wow, that's a big belly!" It was playful and fun and rewarding. And nice to be fat around someone, and to lay down and let her play with my body to her heart's delight, squeezing, praising, jiggling...
Met a woman I was talking to on line when I went to her city on business. It was delightful! A 300-plus woman walked through the door and I was delighted, we had dinner, it was nice and when we hugged, I felt her belly, which was hanging down her thighs, pressed up against my knees. A thrill...and a friendship that lasted about 3 years. She met someone. She's now well over 500 pounds, so good for her, that's what she wanted. She sure is big now!
Also went to a Feabie meetup last year and met a lot of people I'd only known on line. It's nice because when you chat again on line, you really know who you're talking to.