Dealing with suicide

My sister died from an overdose late last year. I was struggling to understand why she was found dead with a handful of pills. She was young and she never did no harm to anybody. She never mentioned suicide or anything that was bothering her. She didn’t leave a note, she didn’t leave a sign, we were all stuck at that point in time and thinking of why did she do it. Turns out she had the most hurtful relationship and this is why i share my story. Please, share interest towards people near you, especially your family. If I ever knew what was going on with my sister, I would’ve never let this happen to her.