Many people are also sensitive on the hot liquid, which is so way exponentialy more absorbed into them and a longer stem is good possibility how to to reduce the contact.
Rustical stam
If you would lost the original stam it is posiible make yourself from a short stam, usualy available for two dollars, and a straw to stick with tape.
The solution works samely like the original stam, but has bigger weight and so on something so you need to lean the tube on something so that it does not drip. Do not to leave it lying on the table.
Rustical long stam it is possible to buy for $3 here.