Can you clarify your question please. You want to use witchcraft to prevent your boyfriend breaking up with you? Or you want to explain the dangers of witchcraft to him in order to keep your relationship together?
If you make sure there is enough lubrication it will prevent it from breaking (dryness creates breaking).
Boil it
You can't
Using the petroleum jelly and the creams like bepanthen will prevent the skin from breaking out after getting a tattoo. They will prevent the skin from breaking out by keeping them moist.
get a boyfriend and marry him
you can't prevent your boyfriend from cheating but you can treat him nicely, care for him, love him, please him, if you do that already and he doesn't appreciate it i suggest ending it.
Loose weight.
so they can prevent it from breaking
In order to prevent plaster of Paris from breaking up one can take chopped up fiberfill and placing it in the mixture. Also make sure the plaster of Paris is properly mixed as this will prevent it from breaking.
No
make a pretective container.
The minimum tension of a single object must be greater than the stress applied to it in order to prevent it from breaking.