The choice to use and continue to use a tobacco product depends on many thing, from personal ones such as self-image to social ones.
Blueberrys are not super healthy for them and should be more of a treat so no more than once a week and only feed them a couple this also goes for cherries and grapes they should be a once a week ish treat and you should make sure they are small pieces you should feed it regular food at least once a day and you should feed it kale 2-3 times a week along with other staple veggies for a healthy stable diet
Random sampling means that members of a 'population' have equal chances of being selected. To carry out this type of sampling, you will need to use a table of random numbers.
If your infertile then you cannot have a child nor be pregnant.