On a limited connection, I’d advise not updating whilst watching a video. It’s also possible to download a video and watch it whilst updating.
Beyond that it’s not easy to answer - as I don’t use discover, but also never do updates without paying attention, so that watching a video at the same time isn’t something I’d contemplate.
For sure, as a teenager -
interest in music
switched from interest in music tofinding music videos that got girls in 'em'.