A$AP Rocky has praised Rihanna for her “understanding” when life gets “hectic”. The 35-year-old rapper and the 36-year-old Fenty founder and singer juggle their careers with being parents to their two young boys – RZA, two, and 12-month-old Riot – and it can be hard sometimes to “find balance” but the hip-hop star insists there is no one more “perfect” to do it all with than the ‘Umbrella’ hitmaker. He told Billboard: “It’s crazy how we find balance with our chaotic schedules. [The relationship] is going great. “I don’t think there’s a more perfect person because when the schedules are hectic,…