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A lot of my friends say that to me. Or

A lot of my friends says that to me.

Why is it the 1st one?
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Because 'a lot of' means 'many', and the subject is plural 'friends'.
Comments  
Mister MicawberBecause 'a lot of' means 'many', and the subject is plural 'friends'.

Mister Micawber to the rescue! Thanks.