I hav a gal frnd.am in serious relatnshp wth her. i wana marry her.bt shez lil immaturd.i wanna keep her happy?

well am in twelfth. shez in tenth.. earlier she ws immatur. nw shez slwly bcmng maturd chrctr wise as i tund her up. i wanna keep her happy . i alwys think bout her. i tlk bout evrythng wth her.. all topics.. hpe u undrtd wht i mean.. many gals prposd to me after i gt committed to her .. but i rejected.. fr her also guys prpsd bt she rejectd. neway hw can i keep her happy . i meet her monthly once and tlk in fone daily