Jealous of my cousin?

My 16-year-old cousin and I are very close. Ever since she was born, I considered her to be one of my best friends. Not until recently did she want to start talking to me about sex. I'm 19 and I'm very open when it comes to talking about sex with other people. Despite being a virgin, I gave her some tips on how to be safe. She told me about how she and her boyfriend have oral sex. I didn't say much other than "oh." Usually I'm silly when it comes to talking about sex but when it's my family, it's different for some reason. Every now and then I will get texts from her about her and her boyfriend's sex adventures in very gross detail. I'm happy she's happy but can't help but be jealous she's getting some while I'm still a virgin. It's not really a big deal. I know my time will come when my boyfriend and I are ready.