Difficulty sharing is not a parenting problem – it is a development in practice
Going through a phase of intense possessiveness is completely a normal stage in a child's development. Most toddlers go through a period where they are reluctant to share their things, and that doesn't mean they are selfish or poorly behaved. This possessiveness and reluctance to share is a natural part of the process of learning about the world, building self-esteem and autonomy.

How to teach your child to share toys, so that it becomes his choice and not an obligation?
Of course, it is possible and worth teaching a child to share, but how we do it is crucial. If you are wondering how to teach a child to share toys, start by creating a space where they feel safe and understand what sharing really means.
Instead of pressure and shaming – calm conversation, empathetic naming of emotions and your own example. It is in such moments that the willingness to share is born, which comes from the relationship, from understanding the situation, not from coercion. Some things cannot be rushed, and the cognitive and social development of a toddler is process.
Instead of shaming – support, model, talk
We should not force a child to share immediately. When we force a child to share “because they are big” or embarrass them in front of others, we teach them one thing: that Sharing causes stress, anger, shame, a sense of injustice, not kindness. But that's not what we're about. Instead, ask yourself: how to teach a child to share toys so that they do it of their own free will and not out of guilt?
Let's model generosity and sharing in our daily lives - a child learns by observation, so let's show him how we share with others, how we help and how we respond to the needs of others with empathy, let's talk about situations from our lives in which it was necessary to share food, clothes, or some other thing.
Jak we want teach your child to share, it's worth explaining to him the benefits of sharing, but in a way that is appropriate to his age. We can talk about how much fun it is to play together, how sharing brings joy to others, and how others might want to share something with us in the future.
How to Help Your Child Share Toys and how to help yourself with social pressure?
Fear of being judged by other parents and the fear that our “non-sharing” child will be rejected by his/her peers are natural… but remember that most parents go through the same thing.