Im jealous of my friend?

Im homeschooled and my friend isnt we met a few yrs back but we re-connected recently and he is telling me how he is going out on a date and im happy for necause when we last spoke years ago he was a nerd but im jealous for some reason . he has all these pictures of him going to parties and hanging out with a bunch pretty girls and guys what should i do ? Ps were both 16