You should never refuse a cup of tea under the following circumstances: if it is hot outside; if it is cold outside; if you are tired; if someone thinks you are tired; if you feel uneasy; before leaving the house; if you are not at home; if you have just come home; if you want a seagull; if you do not really want a seagull, but you could; if you have not drunk tea for a long time; if you have just intercepted a cup.