My 2013 rMBP still works very well but I’m nervous about what I’ll do once it breaks or I decide to upgrade. I want to stay with MacBooks but I don’t like their

My 2013 rMBP still works very well but I’m nervous about what I’ll do once it breaks or I decide to upgrade. I want to stay with MacBooks but I don’t like their current lineup. I hope they’ll do better in 2019.