The first step in handling a partner's past trauma is to educate yourself about the topic. It can be helpful to read books or articles on the subject, or to talk to a therapist or counselor who specializes in trauma. By gaining a better understanding of what your partner may be going through, you will be better equipped to support them.

It is also important to be patient and understanding with your partner. Trauma can have a lasting impact on a person's life, and it may take time for your partner to heal. It is important to be there for them and to provide emotional support, even if they may not always be able to express what they need.

Another important aspect of handling a partner's past trauma is to respect their boundaries. Everyone has different triggers and coping mechanisms, and it is important to respect your partner's needs and to be mindful of what may be difficult for them.

Additionally, setting up a safe space for your partner and creating an open communication between the two of you is crucial for handling past trauma. Be willing to listen to their stories and feelings, and create an environment of trust and understanding.

It's also good to seek professional help for both of you, if necessary. A therapist or counselor can help your partner work through their trauma and cope with their feelings, and can also provide you with tools to support your partner and strengthen your relationship.

It's important to remember that healing from trauma is a process, and it may take time. It's important to be patient and supportive, and to understand that it is not your responsibility to fix your partner's trauma, but rather to be a supportive partner to them as they work through it.

It's also important to take care of yourself, as supporting your partner in their healing process can be emotionally and mentally taxing. It's important to seek self-care and maintain a healthy balance between supporting your partner and taking care of yourself.

In conclusion, handling a partner's past trauma requires patience, understanding, and respect. By educating yourself about trauma, being patient and understanding, respecting boundaries, creating a safe space, and seeking professional help, you can support your partner in their healing journey and strengthen your relationship. Remember that healing from trauma is a process and it's important to be supportive and to take care of yourself.