ya we learnt in the kitzur shulchan aruch 4 amos or feet, i forgot which.. but my fam x hold by the kitzur shulchan aruch.. we hold by a dif sefer.. a/o know which? but if ur a boy u x either walk 4 amos or feet w/o a yarmulka… that x havta do w a/t!!
also i think if u wake up in the middle of the night and wana take a drnk u x havta wash if its water and u x touch the cup.. like someone holds iit for u.. if ur sick or s/t..