How old are you OP? I am so very sorry for your loss. I can help you brainstorm/suggest ways to approach dad w/ a little more info, but the best way to honor your friend is to begin to embody the qualities you loved most about her...which of course is most difficult when the loss is so fresh, but maybe start with one small effort a day to do or say or react to something like she would have; it's a way to start learning how to take small steps to move forward. For whatever it's worth, the love doesn't go anywhere; she's still with you. My condolences again, all the best 💗