Hezbollah defeated you at the border after the Pager operation, and after all its leaders were martyred..
Hamas is still steadfast today even though you destroyed everything in Gaza but it is still fighting you

And you can't compare Yemen to them 
Yemen is a country with an army and a people
Yemen has mountains that are not affected even by nuclear
One governorate in Yemen is larger than Lebanon and Gaza...

No need to explain more , you will find out soon