Problem: How to play fight with your girlfriend
Initiate the fight.
Start by playfully pushing or bumping into your partner on purpose. Whether she's concentrating profusely on a task, or just simply standing idle, approach her and nudge her gently.

Answer: Carry on with this action until she responds with either pushing you away and telling her to leave her be, or she joins in on the fun. Either way, do this in a style that shows you're only clowning around and want her to participate-she'll hopefully get the gist and engage.

Problem: How to pick a healthy gerbil that suits you
Observe the gerbils for a while.
Which seem active? Which seem happy? Look closely at the animals and see if they are generally perky.
Look for any symptoms.

Answer: Are their eyes open and bright? Make sure none of the gerbils have wounds, these are usually indicators of a past fight. Their coats shiny and well kept? A rough coat is usually a sign of illness.

Problem: How to adopt a guinea pig
Make sure no one at home is allergic.
In addition to guinea pig allergies, many people develop allergies to the hay that guinea pigs use in their cages. Before adopting a guinea pig, you and your housemates way want to talk to your doctor or an allergist to ensure that no one in your home will have an allergic reaction.
Answer: One of the most common reasons people give up guinea pigs is an allergy, either to the animal itself or its hay/bedding. Rule out allergies before adopting a guinea pig.