Taylor Swift and Joe Alwyn have figured out the secret to making their relationship work. A source tells ET that the 32-year-old singer and 30-year-old actor «are very happy in their relationship,» and prefer to «keep their private life private.»«They've been enjoying their time as a couple,» the source says. «They have spoken about their future together and feel very secure about their relationship.»As for how they're able to balance both work and romance, the source notes, «They're supportive of each other's careers and of each other in general. Both of them have been busy with work and they completely understand how to balance hectic schedules and still make time for each other.