holtzichfest: it used to be that everyone wore talleisim before the chasuna the reason why most people today dont wear a talis till their chasuna is becaue they didnt have money to buy one and it became a chasuna gift from the kallah
Not accurate. It is clear from the Gemarra that the minhag then was that unmarried men did not wear a talis, or at least not over their head.