Ok this is me being playing devils advocate. Maybe he meant that he didnt want you wearing like two necklaces at one time, one with yours and one with his? And maybe he doesnt want both on the same but he wants you to kind of alternate them? One day you could wear his and another day you can wear yours or whatever. Like someone even said you can still wear yours just put it on a bracelet or ask him if you can put his on one.There is nothing wrong with loving your sorority and wearing your letter, but maybe he's feeling (and not telling you) that your sorority is more important than he is, and thats why he's coming off as a lil hostile towards the lav thing? And I wouldnt worry about the lav curse. Its not like every girl in your sorority has been dumped after being laved. Maybe the two that were, were having problems in theirs to begin with and the guys thought it would help things but in the end it just didnt. I am in no way defending him,just saying maybe this si whats going on