Hi, it's nice to meet you. How old are your lovebirds? How long have you had them? Have you taken them to the doctor for a check up? Are they eating and playing okay? I call my vet so often they know me by name and if I show up at random times, they take me in. Yes...I'm aggressive when it comes to my family. Very protective.
It's normal for birds to molt. Liquid eggs may be caused by nutrition or if the bird is relatively young and is laying for the first time, it isn't uncommon for the first few to be not completely formed. When our birds molt, we give them extra protein in their diet. There are dietary crumbles/pellets or you can add egg, chicken or fish. When we see liquid eggs in our chickens it's a lack of calcium, they get lots of extra spinach plus oyster shells in their laying crumble, we switch it over to molting crumble and add the protein. We also provide lots and lots of sprouts. I have trays and trays growing all the time.
If you haven't already, take them to the doctors for a visit, go to just get a check up at least and put your mind at ease. It's hard to tell if birds are losing weight when they are little and have feathers. Those feathers are deceiving! My budgie who looks way smaller than my parrotlet but weighs more.
