How to know if a male dog is fertile
Make sure that your dog is old enough to breed.
A male dog that is too young will not be able to reproduce. A male dog usually reaches sexual maturity when they are over a year old, however they usually begin puberty when they are six months to eight months old.

They can impregnate a female dog from the point of puberty on. If you want to use your dog for breeding when it is at its maximum fertility, wait until it is at least a year and a half old.

How to maintain a friendship after a kiss
Take a break if you feel you need one.
For many people, it might be helpful to put a little distance between them and the friend they kissed. Putting a little distance between you might give you the strength and the perspective needed to continue the friendship.

Take a break for a month or so if you think you need a " cool down " period. If you want to take a break, make sure you let your friend know about it.

How to export image files from a video file using vlc
Download vlc media player.
If you don't have it installed yet, you can download it. Vlc is a free medial player that supports many types of video files.

Select a folder that you want the images to be exported to. Copy the full path of this folder.

How to use cash back credit cards
Understand how cash back credit cards work.
Cash back credit cards allow users to earn points on qualifying purchases. These points are determined using a percentage of net expenditures, which are total expenditures minus any refunds.
Points may be awarded differently for different types of qualifying purchases. In most cases, points may also be used for other benefits, like airline miles or gift cards.