Is this fear real? (i think it may be) help me asap...please?

It appears to be a real fear. Trust your instincts and dump him and get on with your life. There is more than this one situation that is telling you loud and clear something is wrong with your relationship. Communication is the key to every relationship, and you two can't communicate with each other. It is time to move on. In his defense, it is rag weed season, so he may really have an allergy now.