Can mothers get jealous?

Can mothers get jealous?

Sometimes my mother gets and acts jealous with me because I help out and spend time with my father's widow and my half-brother.

She makes snide "jokes" about how the woman first "poached" her ex-husband and now wants to "poach" me, although nothing weird is going on and my involvement with her is primarily to administrate my father's estate and take care of my half-brother.

Today I visited for my usual check-up and we played tennis, and my mother griped that I never play tennis with her - note that she never expressed interest in doing so and never got involved when my wife and I play it.

Can mothers get jealous?
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