Becky G “gets lonely” when she is on tour. The 27-year-old singer is currently on the road with her ‘Casa Gomez: Otro Capítulo Tour’ and often feels that as the oldest of four siblings, she should be the most “adult” but does struggle when she is away from home. She told USA Today: “Being Mexicana, I’m a big family person. I get homesick very easily. I’ve been doing this since I was very, very young. I’m the oldest of four kids, and I know I should be this grown adult who’s independent and doesn’t need anybody, but it gets lonely.” But the ‘MAMIII’ hitmaker does have family support in the form…