When a guy was a compulsive liar, yet he was loving and said I love you everyday, then he died suddenly, how do I know if he really loved me?

It almost seemed as if he had an hidden agenda or a motive. But satiny it everyday for seven years? I just don't know if he said it to always have a place to stay or something.
Hours before he died he stood at my bedside and said I love you twice. I didn't respond. Then he asked if I loved him and I just said it's hard to love someone that tells at you all the time. He just walked away. We broke up the day before he died, but you never know when your loved one will be poisoned by Fentanyl. πŸ’”
Sorry about the subject matter, this is my first time to grieve and I'm not so good at it. I appreciate your help with my struggle. ✌️
When a guy was a compulsive liar, yet he was loving and said I love you everyday, then he died suddenly, how do I know if he really loved me?
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