This is an assumption, don't ever put certainty in an assumption that you feel should happen especially in anything that has to do with finances. Yes just like you many are very Excited about the prospect and the opportunity that comes with Bitcoin halving but always be guarded there have been good turn out of Bitcoin and crypto-currency in general after every halving but there is always a first time for everything, although personally I am not putting my trust in Bitcoin just because of the halving, no matter the turn out I would still believe in Bitcoin.