Preserve is the opposite of Destroy. Destroy is related to Take. Take is related to Keep. 
Poke is related to Touch. Attach is a type of Touch. Couple is a type of Attach. 
Preserve <--Antonym--> Destroy <--RelatedTo--> Take <--RelatedTo--> Keep 
Poke <--RelatedTo--> Touch <--IsA-- Attach <--IsA-- Couple 