Can relationships change our friendship with some people?

What do you think? Have you experinced it?

Totally yes, because sometimes people change when getting into a relationship, they start spending more time with their couple than with their friends and for this reason the friendship start changing, because they stop sharing experiences together and start exploring more with their couple
 I don't like relationships for this and more other reasons. It's not the time of filtering with someone, it's the time for madness, the time of living life with friends.

They actually can.
If you invest so much time with your couple and leave your friends completely aside you will most likely loose your friends.
You need to find an equilibrium, and dedicate time to your friends and also to your couple. That would be easy for example if your couple is not from your same school because then at school you could expend more time with your friends and leave weekends for him/her. Be wise, and prioritize. Your couple will demand time and affect from you, but dont let that set you away from your friends.