My dad is alway moaning he is going to be alone forever but he goes through so much woman so how can I feel sorry him?

His previous girlfriend told me that he didn’t treat her nicely as he would threaten to leave the holiday early because of her younger kids and anytime she went out with her friends he would text her mean things out of jealousy

My dad is alway moaning he is going to be alone forever but he goes through so much woman so how can I feel sorry him?
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