Guys, why would a man start off as being nice to a woman and then suddenly turn into an arsehole towards her?

[Anonymous]

[BarryLiverstone]

Because many people start out polite when meeting someone new. They often don’t start to be real and authentic until after some time

[MrCommodore]

He maybe discovered she isn't in to him and he feels rejected by her.

[Vikkrram]

Without both hands you can't clap

[In_Trance]

Must have been something she said or did