Mental Floss
I personally found two things disturbing in his response. First, if he really cared about you he would not have been so inattentive to you just 3 days after losing your father. Even if he didn't know exactly how to comfort you, he should have at least given you his full attention.

Second troubling sign:
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MentalFloss said:
Finally I brought it up today (Saturday, the 29th). He said he doesn't feel bad about this at all and that my "idiosyncratic response" is an overreaction. It is perfectly true that sometimes I do overreact. I do not think that this is one of those times.

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A caring and compassionate person after hearing that you were still feeling upset about how you were treated would NOT respond by minimizing or telling you what you were feeling is wrong. A caring person would apologize for hurting you and seek ways to help you feel better. If they really felt they were responding appropriately they might say, "I sorry I hurt your feelings, I didn't realize how bad you were feeling."

Be really careful of people who tell you what you should be feeling, or that you are overreacting, too sensitive, too needy, etc.. This is not a good sign.

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