Give them a closed place of habitation for the evenings. Otherwise parents, siblings,neighbors, etc. get slightly annoyed at having them for bed mates. Keep them away from heat. Otherwise they get heat stroke and die and slowly rot away till the whole house smells. And when they die, since all die sometime, they must be given a decent burial.
Frogs are big on funerals.
Here are some good frogs to get. You can put him in your sisters sock drawer. You can put him in your mothers cook pot. You can take him to school and let him loose on the chem lab table. This could possible get you in deep deep trouble.