Reaffirming our friendship ?

Hello,

so i have this friend at work (i met 5 months ago), who seemed nice at first we exchanged our whatsapp and we talk sometimes. but recently he became distant, he doesn't text nor talk as much. i have to admit that sometimes we had some misunderstandings but we always talk it out and solve everything. But whenever he gets the opportunity he keeps saying we are friends, or he says that he is a good friend reaffirming that. I don't understand why, i mean i never said that we are on bad terms or that i like him.

A little insight on my personality, i like to make jokes and give out compliments (i do this with everyone)

Do you guys think that he wants to end this friendship? i feel bad because at work there aren't many people to talk to, if he stopped talking to me i will be a loner...

Reaffirming our friendship ?
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