Could you vagina get toght again after not having sex in 1 month ?

Yes: The vagina is an elongated muscular tube. If one does not engage in sexual activity, this will "tighten" but when one becomes sexually active again, it will passively redilate over time without difficulty.

Kegel exercises: With a concern like this, you should focus on level exercises. They can be found on google. Also, some physical therapists specialize in women's health, especially the "pelvic floor." if doing exercises on your own doesn't pan out, see your doctor.

Adderall (dextroamphetamine and racemic amphetamine): Beneficial effects on amphetamine-type stimulants can be seen early.