You've received a lot of good info here but I'll add a few things. As you become more and more experienced with
vaping hardware and juices, you'll find that not only do your tastes buds and sense of smell change/improve as well as your like and dislikes, you'll see that different setups produce different results with juices. IE: Brand of clearo, heads, cartos, tanks, tank/carto, resistance of attys, battery voltage used, etc. Its a big, big, vape world and vendors are offering choices commensurate with hardware, personal tastes, etc. In juices, one size does not fit all. Additionally, some people do not like very much flavoring at all and some don't vape any flavoring at all. Those vapers say the bit of taste and sweetness of plain VG, for instance, is all they like.
As for MBV, I'm one of the unlucky ones whose buds don't like their base but I do have some early experience with them. Go easy on the flavor shots. Somewhere on the site they talk about overall percentage of flavorings and the combined percent they won't exceed because problems develop then. That is because one of two things might happen. 1) Oddly enough, due to the way taste buds work, too much flavoring can actually cause you not to taste any flavor.. its like the buds get numb. 2) The
juice can go flowery/chemically/perfumey for some. That statement they make pertains to everyone's taste but for some others it can happen well under the percentages MBV won't exceed. There's one
juice they carry that definitely does not need a bump and that's the maple pecan I think its called (ask in chat and they'll tell you its their strongest juice) and I don't think graham cracker does either. Also, I wouldn't bump any of their tobaccos.