People assume Libra and Taurus glide through everything together because they share a ruling planet, as if two Venus signs means double the romance and none of the friction. What actually happens looks calmer but slower, and occasionally more stubborn than anyone expected from a pairing this pretty on paper.
The shared Venus does show up in real ways. Both want a home that looks good and feels good, and you will likely find them agreeing instantly on the throw pillows, the wine, the restaurant with the nice lighting. That part is easy. Where it gets interesting is the modality mismatch. Taurus is fixed, which means once a Saturday plan is set, it is set. Libra is cardinal, which means Libra will spot a better option Friday night and want to pivot. Taurus will not want to pivot. This is not a small thing, it repeats, and it becomes the argument they have in different clothes over and over: Libra wanting to keep options open, Taurus wanting to just decide and stay decided.
The earth and air combination softens this though. Taurus grounds Libra's tendency to weigh every option forever, gives Libra something solid to actually land on. Libra brings Taurus new restaurants, new art, people Taurus would never have met alone, and loosens Taurus's grip on routine just enough to feel fresh instead of threatened.
The honest friction is pace and confrontation. Libra will talk around a problem for weeks trying to keep peace. Taurus goes quiet, then digs in, then eventually explodes about something that happened a month ago. Neither handles direct conflict well, so small things can sit and rot if they do not practice saying the annoying thing early, out loud, before it calcifies.