A bonded pair of lovebirds who were once hand-tame often seem to go off people as they mature. Nothing has gone wrong. The pair bond is doing exactly what it evolved to do, taking first place, and two lovebirds absorbed in each other have little reason to seek out a large, slow human. The realistic goal is not to outrank the mate. It is to remain a trusted, rewarding presence both birds are glad to see.
Understand what the pair bond changes
Lovebirds feed each other, preen each other and sit pressed together, and that constant companionship meets social needs a single pet lovebird directs at its owner. As the bond strengthens, the cage becomes defended territory, especially around a favoured corner or any nest-like space, and hands reaching in are met with the species' famously committed bite. Owners often respond by handling the birds less, which quietly completes the drift: handled rarely, the birds become less tolerant of handling, and the cycle tightens. Breaking it requires more contact, but contact structured so each bird meets you as an individual rather than as half of a defensive unit.
Give each bird its own short session with you
Take one bird at a time to a neutral spot away from the cage, ideally where the mate can be heard but not seen, and keep the session to a few rewarding minutes. Hand-feed a favourite seed or small piece of vegetable, practise a calm step-up onto a hand or a handheld perch, and talk to the bird as you would have before the pair formed. Then swap, giving the second bird exactly the same quality of attention. Daily consistency matters far more than session length, because friendliness in lovebirds is a habit maintained by repetition, not an achievement unlocked once. If one bird is noticeably bolder, do not let it monopolise your time; the shyer bird needs the sessions most.
Respect the territory and skip the rival moves
Do all social handling outside the cage, reaching in only for cleaning and food, because lovebird territorial behaviour is mostly about place. Remove nest boxes and cosy huts unless you intend to breed, since enclosed spaces intensify pair defensiveness and hormonal behaviour that spills into biting. Never separate the pair as punishment, tease them apart for amusement, or grab one bird while its mate watches from the perch; each of those teaches both birds that you are a threat to the bond, which is the opposite of the position you are building. Instead, become associated with good things arriving for the pair together as well: the person who delivers the spray of millet to the cage top is welcome news.
Expect maintenance, not a finish line
Pairs who receive daily individual attention usually stay handleable and interested in their owner for life, but the friendliness fades within weeks if sessions stop, so build them into the ordinary routine like feeding. Watch for one bird beginning to guard the other from you with lunging and wing spreading; shorter, more frequent sessions and more distance from the cage usually soften it. Sudden aggression in a previously friendly bird also warrants a health check, as pain changes lovebird tempers quickly. The steady thread through all of this is showing up briefly and kindly every day, which is why those minutes belong on KinsLe's Care Teams roster: the session appears on someone's list daily, whether or not you are the one free to give it.