John Mayer, Joe Jonas, Jake Gyllenhaal, Taylor Lautner, and now … Harry Styles.Taylor Swift has made a career of singing tunes about her failed relationships, and after splitting from the One Direction singer shortly the new year, it looks like she will have plenty of new material.Though she just released her fourth album, Red, in late October, she tweeted on Thursday afternoon, "Back in the studio. Uh oh…” Sure enough, she was spotted heading into a Hollywood recording studio, guitar slung over shoulder.The "uh oh” can only mean one thing: She’s working on a new breakup song about Styles! The two split after two months of dating following a massive fight while on vacation together in the British Virgin Islands. Although the couple was constantly spotted holding hands and even sharing a kiss at midnight in New York City on New Year’s Eve, Swift, 23, was apparently too "asexual” for 18-year-old Styles."While it was clear she obviously had a thing for Harry, Taylor didn’t want to put out as often as he would’ve liked,” a source tells Radar Online. "Harry is a young boy, with ladies throwing themselves at him and has had a string of relationships with older women. It’s no secret he’s sexually active and is enjoying his fame at the moment. But Taylor just wasn’t up for it as much as he is. They were sexually incompatible.”The two were also in different places when it came to hobbies. While the British heartthrob prefers to hit clubs and fancy restaurants, "Taylor’s more of a homebody and all she would talk about was antiques,” adds the source. "It drove him crazy.”While promoting Red in the fall, Swift – who was dating 18-year-old Conor Kennedy at the time – told Yahoo! Music that songwriting can be a type of therapy. "For me, I think my music is my way of getting out what I don’t typically say in my life. In my life, I’m never going to yell at you. And I’m never going to actually go off on someone, but in my music, when I’m sitting there alone in my room and I can say these things that I really truly mean and be completely truthful, I can say them in a song. For me, music has always been the way to finally be 100 percent completely honest with people even if it hurts them. The only reason I would do that in a song is because someone had hurt me, but that’s the part where I feel like I can rebel.”And it sounds like she’s about to unleash on Harry!